3 * Copyright (c) 2003 Thomas Raivio
4 * Copyright (c) 2004 Gildas Bazin <gbazin at videolan dot org>
5 * Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
7 * This file is part of FFmpeg.
9 * FFmpeg is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
14 * FFmpeg is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with FFmpeg; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
29 #include "avio_internal.h"
34 #include "libavcodec/ac3_parser.h"
35 #include "libavcodec/get_bits.h"
36 #include "libavcodec/put_bits.h"
37 #include "libavcodec/vc1_common.h"
38 #include "libavcodec/raw.h"
40 #include "libavutil/avstring.h"
41 #include "libavutil/intfloat.h"
42 #include "libavutil/mathematics.h"
43 #include "libavutil/opt.h"
44 #include "libavutil/dict.h"
45 #include "libavutil/pixdesc.h"
46 #include "libavutil/timecode.h"
54 static const AVOption options[] = {
55 { "movflags", "MOV muxer flags", offsetof(MOVMuxContext, flags), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
56 { "rtphint", "Add RTP hint tracks", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_RTP_HINT}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
57 { "moov_size", "maximum moov size so it can be placed at the begin", offsetof(MOVMuxContext, reserved_moov_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, 0 },
58 { "empty_moov", "Make the initial moov atom empty", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_EMPTY_MOOV}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
59 { "frag_keyframe", "Fragment at video keyframes", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FRAG_KEYFRAME}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
60 { "separate_moof", "Write separate moof/mdat atoms for each track", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_SEPARATE_MOOF}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
61 { "frag_custom", "Flush fragments on caller requests", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FRAG_CUSTOM}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
62 { "isml", "Create a live smooth streaming feed (for pushing to a publishing point)", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_ISML}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
63 { "faststart", "Run a second pass to put the index (moov atom) at the beginning of the file", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FASTSTART}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
64 { "omit_tfhd_offset", "Omit the base data offset in tfhd atoms", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_OMIT_TFHD_OFFSET}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
65 { "disable_chpl", "Disable Nero chapter atom", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_DISABLE_CHPL}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
66 { "default_base_moof", "Set the default-base-is-moof flag in tfhd atoms", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_DEFAULT_BASE_MOOF}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
67 FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
68 { "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_INT, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
69 { "iods_audio_profile", "iods audio profile atom.", offsetof(MOVMuxContext, iods_audio_profile), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM},
70 { "iods_video_profile", "iods video profile atom.", offsetof(MOVMuxContext, iods_video_profile), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM},
71 { "frag_duration", "Maximum fragment duration", offsetof(MOVMuxContext, max_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
72 { "min_frag_duration", "Minimum fragment duration", offsetof(MOVMuxContext, min_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
73 { "frag_size", "Maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
74 { "ism_lookahead", "Number of lookahead entries for ISM files", offsetof(MOVMuxContext, ism_lookahead), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
75 { "video_track_timescale", "set timescale of all video tracks", offsetof(MOVMuxContext, video_track_timescale), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
76 { "brand", "Override major brand", offsetof(MOVMuxContext, major_brand), AV_OPT_TYPE_STRING, {.str = NULL}, .flags = AV_OPT_FLAG_ENCODING_PARAM },
77 { "use_editlist", "use edit list", offsetof(MOVMuxContext, use_editlist), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM},
81 #define MOV_CLASS(flavor)\
82 static const AVClass flavor ## _muxer_class = {\
83 .class_name = #flavor " muxer",\
84 .item_name = av_default_item_name,\
86 .version = LIBAVUTIL_VERSION_INT,\
89 static int get_moov_size(AVFormatContext *s);
91 static int utf8len(const uint8_t *b)
96 GET_UTF8(val, *b++, return -1;)
102 //FIXME support 64 bit variant with wide placeholders
103 static int64_t update_size(AVIOContext *pb, int64_t pos)
105 int64_t curpos = avio_tell(pb);
106 avio_seek(pb, pos, SEEK_SET);
107 avio_wb32(pb, curpos - pos); /* rewrite size */
108 avio_seek(pb, curpos, SEEK_SET);
113 static int co64_required(const MOVTrack *track)
115 if (track->entry > 0 && track->cluster[track->entry - 1].pos + track->data_offset > UINT32_MAX)
120 /* Chunk offset atom */
121 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
124 int mode64 = co64_required(track); // use 32 bit size variant if possible
125 int64_t pos = avio_tell(pb);
126 avio_wb32(pb, 0); /* size */
128 ffio_wfourcc(pb, "co64");
130 ffio_wfourcc(pb, "stco");
131 avio_wb32(pb, 0); /* version & flags */
132 avio_wb32(pb, track->chunkCount); /* entry count */
133 for (i = 0; i < track->entry; i++) {
134 if (!track->cluster[i].chunkNum)
137 avio_wb64(pb, track->cluster[i].pos + track->data_offset);
139 avio_wb32(pb, track->cluster[i].pos + track->data_offset);
141 return update_size(pb, pos);
144 /* Sample size atom */
145 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
148 int i, j, entries = 0, tst = -1, oldtst = -1;
150 int64_t pos = avio_tell(pb);
151 avio_wb32(pb, 0); /* size */
152 ffio_wfourcc(pb, "stsz");
153 avio_wb32(pb, 0); /* version & flags */
155 for (i = 0; i < track->entry; i++) {
156 tst = track->cluster[i].size / track->cluster[i].entries;
157 if (oldtst != -1 && tst != oldtst)
160 entries += track->cluster[i].entries;
162 if (equalChunks && track->entry) {
163 int sSize = track->entry ? track->cluster[0].size / track->cluster[0].entries : 0;
164 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
165 avio_wb32(pb, sSize); // sample size
166 avio_wb32(pb, entries); // sample count
168 avio_wb32(pb, 0); // sample size
169 avio_wb32(pb, entries); // sample count
170 for (i = 0; i < track->entry; i++) {
171 for (j = 0; j < track->cluster[i].entries; j++) {
172 avio_wb32(pb, track->cluster[i].size /
173 track->cluster[i].entries);
177 return update_size(pb, pos);
180 /* Sample to chunk atom */
181 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
183 int index = 0, oldval = -1, i;
184 int64_t entryPos, curpos;
186 int64_t pos = avio_tell(pb);
187 avio_wb32(pb, 0); /* size */
188 ffio_wfourcc(pb, "stsc");
189 avio_wb32(pb, 0); // version & flags
190 entryPos = avio_tell(pb);
191 avio_wb32(pb, track->chunkCount); // entry count
192 for (i = 0; i < track->entry; i++) {
193 if (oldval != track->cluster[i].samples_in_chunk && track->cluster[i].chunkNum) {
194 avio_wb32(pb, track->cluster[i].chunkNum); // first chunk
195 avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk
196 avio_wb32(pb, 0x1); // sample description index
197 oldval = track->cluster[i].samples_in_chunk;
201 curpos = avio_tell(pb);
202 avio_seek(pb, entryPos, SEEK_SET);
203 avio_wb32(pb, index); // rewrite size
204 avio_seek(pb, curpos, SEEK_SET);
206 return update_size(pb, pos);
209 /* Sync sample atom */
210 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
212 int64_t curpos, entryPos;
214 int64_t pos = avio_tell(pb);
215 avio_wb32(pb, 0); // size
216 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
217 avio_wb32(pb, 0); // version & flags
218 entryPos = avio_tell(pb);
219 avio_wb32(pb, track->entry); // entry count
220 for (i = 0; i < track->entry; i++) {
221 if (track->cluster[i].flags & flag) {
222 avio_wb32(pb, i + 1);
226 curpos = avio_tell(pb);
227 avio_seek(pb, entryPos, SEEK_SET);
228 avio_wb32(pb, index); // rewrite size
229 avio_seek(pb, curpos, SEEK_SET);
230 return update_size(pb, pos);
233 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
235 avio_wb32(pb, 0x11); /* size */
236 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
237 else ffio_wfourcc(pb, "damr");
238 ffio_wfourcc(pb, "FFMP");
239 avio_w8(pb, 0); /* decoder version */
241 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
242 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
243 avio_w8(pb, 0x01); /* Frames per sample */
247 static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
252 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
254 if (track->vos_len < 7)
258 ffio_wfourcc(pb, "dac3");
260 init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8);
261 fscod = get_bits(&gbc, 2);
262 frmsizecod = get_bits(&gbc, 6);
263 bsid = get_bits(&gbc, 5);
264 bsmod = get_bits(&gbc, 3);
265 acmod = get_bits(&gbc, 3);
267 skip_bits(&gbc, 2); // dsurmod
269 if ((acmod & 1) && acmod != 1)
270 skip_bits(&gbc, 2); // cmixlev
272 skip_bits(&gbc, 2); // surmixlev
274 lfeon = get_bits1(&gbc);
276 init_put_bits(&pbc, buf, sizeof(buf));
277 put_bits(&pbc, 2, fscod);
278 put_bits(&pbc, 5, bsid);
279 put_bits(&pbc, 3, bsmod);
280 put_bits(&pbc, 3, acmod);
281 put_bits(&pbc, 1, lfeon);
282 put_bits(&pbc, 5, frmsizecod >> 1); // bit_rate_code
283 put_bits(&pbc, 5, 0); // reserved
285 flush_put_bits(&pbc);
286 avio_write(pb, buf, sizeof(buf));
296 /* Layout of the EC3SpecificBox */
297 /* maximum bitrate */
299 /* number of independent substreams */
302 /* sample rate code (see ff_ac3_sample_rate_tab) 2 bits */
304 /* bit stream identification 5 bits */
306 /* one bit reserved */
307 /* audio service mixing (not supported yet) 1 bit */
308 /* bit stream mode 3 bits */
310 /* audio coding mode 3 bits */
312 /* sub woofer on 1 bit */
314 /* 3 bits reserved */
315 /* number of dependent substreams associated with this substream 4 bits */
317 /* channel locations of the dependent substream(s), if any, 9 bits */
319 /* if there is no dependent substream, then one bit reserved instead */
320 } substream[1]; /* TODO: support 8 independent substreams */
323 static int handle_eac3(MOVMuxContext *mov, AVPacket *pkt, MOVTrack *track)
326 AC3HeaderInfo tmp, *hdr = &tmp;
327 struct eac3_info *info;
330 if (!track->eac3_priv && !(track->eac3_priv = av_mallocz(sizeof(*info))))
331 return AVERROR(ENOMEM);
332 info = track->eac3_priv;
334 init_get_bits(&gbc, pkt->data, pkt->size * 8);
335 if (avpriv_ac3_parse_header2(&gbc, &hdr) < 0) {
336 /* drop the packets until we see a good one */
338 av_log(mov, AV_LOG_WARNING, "Dropping invalid packet from start of the stream\n");
341 return AVERROR_INVALIDDATA;
344 info->data_rate = FFMAX(info->data_rate, hdr->bit_rate / 1000);
345 num_blocks = hdr->num_blocks;
347 if (!info->ec3_done) {
348 /* AC-3 substream must be the first one */
349 if (hdr->bitstream_id <= 10 && hdr->substreamid != 0)
350 return AVERROR(EINVAL);
352 /* this should always be the case, given that our AC-3 parser
353 * concatenates dependent frames to their independent parent */
354 if (hdr->frame_type == EAC3_FRAME_TYPE_INDEPENDENT) {
355 /* substream ids must be incremental */
356 if (hdr->substreamid > info->num_ind_sub + 1)
357 return AVERROR(EINVAL);
359 if (hdr->substreamid == info->num_ind_sub + 1) {
360 //info->num_ind_sub++;
361 avpriv_request_sample(track->enc, "Multiple independent substreams");
362 return AVERROR_PATCHWELCOME;
363 } else if (hdr->substreamid < info->num_ind_sub ||
364 hdr->substreamid == 0 && info->substream[0].bsid) {
370 /* fill the info needed for the "dec3" atom */
371 info->substream[hdr->substreamid].fscod = hdr->sr_code;
372 info->substream[hdr->substreamid].bsid = hdr->bitstream_id;
373 info->substream[hdr->substreamid].bsmod = hdr->bitstream_mode;
374 info->substream[hdr->substreamid].acmod = hdr->channel_mode;
375 info->substream[hdr->substreamid].lfeon = hdr->lfe_on;
377 /* Parse dependent substream(s), if any */
378 if (pkt->size != hdr->frame_size) {
379 int cumul_size = hdr->frame_size;
380 int parent = hdr->substreamid;
382 while (cumul_size != pkt->size) {
384 init_get_bits(&gbc, pkt->data + cumul_size, (pkt->size - cumul_size) * 8);
385 if (avpriv_ac3_parse_header2(&gbc, &hdr) < 0)
386 return AVERROR_INVALIDDATA;
387 if (hdr->frame_type != EAC3_FRAME_TYPE_DEPENDENT)
388 return AVERROR(EINVAL);
389 cumul_size += hdr->frame_size;
390 info->substream[parent].num_dep_sub++;
392 /* header is parsed up to lfeon, but custom channel map may be needed */
395 /* skip volume control params */
396 for (i = 0; i < (hdr->channel_mode ? 1 : 2); i++) {
397 skip_bits(&gbc, 5); // skip dialog normalization
398 if (get_bits1(&gbc)) {
399 skip_bits(&gbc, 8); // skip compression gain word
402 /* get the dependent stream channel map, if exists */
404 info->substream[parent].chan_loc |= (get_bits(&gbc, 16) >> 5) & 0x1f;
406 info->substream[parent].chan_loc |= hdr->channel_mode;
412 if (!info->num_blocks && num_blocks == 6)
414 else if (info->num_blocks + num_blocks > 6)
415 return AVERROR_INVALIDDATA;
417 if (!info->num_blocks) {
419 if ((ret = av_copy_packet(&info->pkt, pkt)) < 0)
421 info->num_blocks = num_blocks;
425 if ((ret = av_grow_packet(&info->pkt, pkt->size)) < 0)
427 memcpy(info->pkt.data + info->pkt.size - pkt->size, pkt->data, pkt->size);
428 info->num_blocks += num_blocks;
429 info->pkt.duration += pkt->duration;
430 if ((ret = av_copy_packet_side_data(&info->pkt, pkt)) < 0)
432 if (info->num_blocks != 6)
435 if ((ret = av_copy_packet(pkt, &info->pkt)) < 0)
437 av_free_packet(&info->pkt);
438 info->num_blocks = 0;
444 static int mov_write_eac3_tag(AVIOContext *pb, MOVTrack *track)
448 struct eac3_info *info;
451 if (!track->eac3_priv)
452 return AVERROR(EINVAL);
454 info = track->eac3_priv;
455 size = 2 + 4 * (info->num_ind_sub + 1);
456 buf = av_malloc(size);
458 size = AVERROR(ENOMEM);
462 init_put_bits(&pbc, buf, size);
463 put_bits(&pbc, 13, info->data_rate);
464 put_bits(&pbc, 3, info->num_ind_sub);
465 for (i = 0; i <= info->num_ind_sub; i++) {
466 put_bits(&pbc, 2, info->substream[i].fscod);
467 put_bits(&pbc, 5, info->substream[i].bsid);
468 put_bits(&pbc, 1, 0); /* reserved */
469 put_bits(&pbc, 1, 0); /* asvc */
470 put_bits(&pbc, 3, info->substream[i].bsmod);
471 put_bits(&pbc, 3, info->substream[i].acmod);
472 put_bits(&pbc, 1, info->substream[i].lfeon);
473 put_bits(&pbc, 5, 0); /* reserved */
474 put_bits(&pbc, 4, info->substream[i].num_dep_sub);
475 if (!info->substream[i].num_dep_sub) {
476 put_bits(&pbc, 1, 0); /* reserved */
479 put_bits(&pbc, 9, info->substream[i].chan_loc);
482 flush_put_bits(&pbc);
484 avio_wb32(pb, size + 8);
485 ffio_wfourcc(pb, "dec3");
486 avio_write(pb, buf, size);
491 av_free_packet(&info->pkt);
492 av_freep(&track->eac3_priv);
498 * This function writes extradata "as is".
499 * Extradata must be formatted like a valid atom (with size and tag).
501 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
503 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
504 return track->enc->extradata_size;
507 static int mov_write_enda_tag(AVIOContext *pb)
510 ffio_wfourcc(pb, "enda");
511 avio_wb16(pb, 1); /* little endian */
515 static int mov_write_enda_tag_be(AVIOContext *pb)
518 ffio_wfourcc(pb, "enda");
519 avio_wb16(pb, 0); /* big endian */
523 static void put_descr(AVIOContext *pb, int tag, unsigned int size)
528 avio_w8(pb, (size >> (7 * i)) | 0x80);
529 avio_w8(pb, size & 0x7F);
532 static unsigned compute_avg_bitrate(MOVTrack *track)
536 if (!track->track_duration)
538 for (i = 0; i < track->entry; i++)
539 size += track->cluster[i].size;
540 return size * 8 * track->timescale / track->track_duration;
543 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
545 int64_t pos = avio_tell(pb);
546 int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
547 unsigned avg_bitrate;
549 avio_wb32(pb, 0); // size
550 ffio_wfourcc(pb, "esds");
551 avio_wb32(pb, 0); // Version
554 put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
555 avio_wb16(pb, track->track_id);
556 avio_w8(pb, 0x00); // flags (= no flags)
558 // DecoderConfig descriptor
559 put_descr(pb, 0x04, 13 + decoder_specific_info_len);
561 // Object type indication
562 if ((track->enc->codec_id == AV_CODEC_ID_MP2 ||
563 track->enc->codec_id == AV_CODEC_ID_MP3) &&
564 track->enc->sample_rate > 24000)
565 avio_w8(pb, 0x6B); // 11172-3
567 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
569 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
570 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
571 if (track->enc->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
572 avio_w8(pb, (0x38 << 2) | 1); // flags (= NeroSubpicStream)
573 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
574 avio_w8(pb, 0x15); // flags (= Audiostream)
576 avio_w8(pb, 0x11); // flags (= Visualstream)
578 avio_wb24(pb, track->enc->rc_buffer_size >> 3); // Buffersize DB
580 avg_bitrate = compute_avg_bitrate(track);
581 // maxbitrate (FIXME should be max rate in any 1 sec window)
582 avio_wb32(pb, FFMAX3(track->enc->bit_rate, track->enc->rc_max_rate, avg_bitrate));
583 avio_wb32(pb, avg_bitrate);
585 if (track->vos_len) {
586 // DecoderSpecific info descriptor
587 put_descr(pb, 0x05, track->vos_len);
588 avio_write(pb, track->vos_data, track->vos_len);
592 put_descr(pb, 0x06, 1);
594 return update_size(pb, pos);
597 static int mov_pcm_le_gt16(enum AVCodecID codec_id)
599 return codec_id == AV_CODEC_ID_PCM_S24LE ||
600 codec_id == AV_CODEC_ID_PCM_S32LE ||
601 codec_id == AV_CODEC_ID_PCM_F32LE ||
602 codec_id == AV_CODEC_ID_PCM_F64LE;
605 static int mov_pcm_be_gt16(enum AVCodecID codec_id)
607 return codec_id == AV_CODEC_ID_PCM_S24BE ||
608 codec_id == AV_CODEC_ID_PCM_S32BE ||
609 codec_id == AV_CODEC_ID_PCM_F32BE ||
610 codec_id == AV_CODEC_ID_PCM_F64BE;
613 static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track)
616 int64_t pos = avio_tell(pb);
618 avio_wl32(pb, track->tag); // store it byteswapped
619 track->enc->codec_tag = av_bswap16(track->tag >> 16);
620 if ((ret = ff_put_wav_header(pb, track->enc, 0)) < 0)
622 return update_size(pb, pos);
625 static int mov_write_wfex_tag(AVIOContext *pb, MOVTrack *track)
628 int64_t pos = avio_tell(pb);
630 ffio_wfourcc(pb, "wfex");
631 if ((ret = ff_put_wav_header(pb, track->enc, FF_PUT_WAV_HEADER_FORCE_WAVEFORMATEX)) < 0)
633 return update_size(pb, pos);
636 static int mov_write_chan_tag(AVIOContext *pb, MOVTrack *track)
638 uint32_t layout_tag, bitmap;
639 int64_t pos = avio_tell(pb);
641 layout_tag = ff_mov_get_channel_layout_tag(track->enc->codec_id,
642 track->enc->channel_layout,
645 av_log(track->enc, AV_LOG_WARNING, "not writing 'chan' tag due to "
646 "lack of channel information\n");
650 if (track->multichannel_as_mono)
653 avio_wb32(pb, 0); // Size
654 ffio_wfourcc(pb, "chan"); // Type
655 avio_w8(pb, 0); // Version
656 avio_wb24(pb, 0); // Flags
657 avio_wb32(pb, layout_tag); // mChannelLayoutTag
658 avio_wb32(pb, bitmap); // mChannelBitmap
659 avio_wb32(pb, 0); // mNumberChannelDescriptions
661 return update_size(pb, pos);
664 static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
666 int64_t pos = avio_tell(pb);
668 avio_wb32(pb, 0); /* size */
669 ffio_wfourcc(pb, "wave");
671 if (track->enc->codec_id != AV_CODEC_ID_QDM2) {
672 avio_wb32(pb, 12); /* size */
673 ffio_wfourcc(pb, "frma");
674 avio_wl32(pb, track->tag);
677 if (track->enc->codec_id == AV_CODEC_ID_AAC) {
678 /* useless atom needed by mplayer, ipod, not needed by quicktime */
679 avio_wb32(pb, 12); /* size */
680 ffio_wfourcc(pb, "mp4a");
682 mov_write_esds_tag(pb, track);
683 } else if (mov_pcm_le_gt16(track->enc->codec_id)) {
684 mov_write_enda_tag(pb);
685 } else if (mov_pcm_be_gt16(track->enc->codec_id)) {
686 mov_write_enda_tag_be(pb);
687 } else if (track->enc->codec_id == AV_CODEC_ID_AMR_NB) {
688 mov_write_amr_tag(pb, track);
689 } else if (track->enc->codec_id == AV_CODEC_ID_AC3) {
690 mov_write_ac3_tag(pb, track);
691 } else if (track->enc->codec_id == AV_CODEC_ID_EAC3) {
692 mov_write_eac3_tag(pb, track);
693 } else if (track->enc->codec_id == AV_CODEC_ID_ALAC ||
694 track->enc->codec_id == AV_CODEC_ID_QDM2) {
695 mov_write_extradata_tag(pb, track);
696 } else if (track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
697 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
698 mov_write_ms_tag(pb, track);
701 avio_wb32(pb, 8); /* size */
702 avio_wb32(pb, 0); /* null tag */
704 return update_size(pb, pos);
707 static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
710 const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
711 int unescaped_size, seq_found = 0;
712 int level = 0, interlace = 0;
713 int packet_seq = track->vc1_info.packet_seq;
714 int packet_entry = track->vc1_info.packet_entry;
715 int slices = track->vc1_info.slices;
718 if (track->start_dts == AV_NOPTS_VALUE) {
719 /* No packets written yet, vc1_info isn't authoritative yet. */
720 /* Assume inline sequence and entry headers. This will be
721 * overwritten at the end if the file is seekable. */
722 packet_seq = packet_entry = 1;
725 unescaped = av_mallocz(track->vos_len + FF_INPUT_BUFFER_PADDING_SIZE);
727 return AVERROR(ENOMEM);
728 start = find_next_marker(track->vos_data, end);
729 for (next = start; next < end; start = next) {
732 next = find_next_marker(start + 4, end);
733 size = next - start - 4;
736 unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
737 init_get_bits(&gb, unescaped, 8 * unescaped_size);
738 if (AV_RB32(start) == VC1_CODE_SEQHDR) {
739 int profile = get_bits(&gb, 2);
740 if (profile != PROFILE_ADVANCED) {
742 return AVERROR(ENOSYS);
745 level = get_bits(&gb, 3);
746 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
748 skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
749 skip_bits(&gb, 1); /* broadcast */
750 interlace = get_bits1(&gb);
751 skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
756 return AVERROR(ENOSYS);
759 init_put_bits(&pbc, buf, 7);
760 /* VC1DecSpecStruc */
761 put_bits(&pbc, 4, 12); /* profile - advanced */
762 put_bits(&pbc, 3, level);
763 put_bits(&pbc, 1, 0); /* reserved */
764 /* VC1AdvDecSpecStruc */
765 put_bits(&pbc, 3, level);
766 put_bits(&pbc, 1, 0); /* cbr */
767 put_bits(&pbc, 6, 0); /* reserved */
768 put_bits(&pbc, 1, !interlace); /* no interlace */
769 put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
770 put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
771 put_bits(&pbc, 1, !slices); /* no slice code */
772 put_bits(&pbc, 1, 0); /* no bframe */
773 put_bits(&pbc, 1, 0); /* reserved */
776 if (track->st->avg_frame_rate.num > 0 && track->st->avg_frame_rate.den > 0)
777 put_bits32(&pbc, track->st->avg_frame_rate.num / track->st->avg_frame_rate.den);
779 put_bits32(&pbc, 0xffffffff);
781 flush_put_bits(&pbc);
788 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
790 uint8_t buf[7] = { 0 };
793 if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
796 avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
797 ffio_wfourcc(pb, "dvc1");
798 track->vc1_info.struct_offset = avio_tell(pb);
799 avio_write(pb, buf, sizeof(buf));
800 avio_write(pb, track->vos_data, track->vos_len);
805 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
807 avio_wb32(pb, track->vos_len + 8);
808 ffio_wfourcc(pb, "glbl");
809 avio_write(pb, track->vos_data, track->vos_len);
810 return 8 + track->vos_len;
814 * Compute flags for 'lpcm' tag.
815 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
817 static int mov_get_lpcm_flags(enum AVCodecID codec_id)
820 case AV_CODEC_ID_PCM_F32BE:
821 case AV_CODEC_ID_PCM_F64BE:
823 case AV_CODEC_ID_PCM_F32LE:
824 case AV_CODEC_ID_PCM_F64LE:
826 case AV_CODEC_ID_PCM_U8:
828 case AV_CODEC_ID_PCM_S16BE:
829 case AV_CODEC_ID_PCM_S24BE:
830 case AV_CODEC_ID_PCM_S32BE:
832 case AV_CODEC_ID_PCM_S8:
833 case AV_CODEC_ID_PCM_S16LE:
834 case AV_CODEC_ID_PCM_S24LE:
835 case AV_CODEC_ID_PCM_S32LE:
842 static int get_cluster_duration(MOVTrack *track, int cluster_idx)
846 if (cluster_idx >= track->entry)
849 if (cluster_idx + 1 == track->entry)
850 next_dts = track->track_duration + track->start_dts;
852 next_dts = track->cluster[cluster_idx + 1].dts;
854 next_dts -= track->cluster[cluster_idx].dts;
856 av_assert0(next_dts >= 0);
857 av_assert0(next_dts <= INT_MAX);
862 static int get_samples_per_packet(MOVTrack *track)
864 int i, first_duration;
866 // return track->enc->frame_size;
868 /* use 1 for raw PCM */
869 if (!track->audio_vbr)
872 /* check to see if duration is constant for all clusters */
875 first_duration = get_cluster_duration(track, 0);
876 for (i = 1; i < track->entry; i++) {
877 if (get_cluster_duration(track, i) != first_duration)
880 return first_duration;
883 static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
885 int64_t pos = avio_tell(pb);
887 uint32_t tag = track->tag;
889 if (track->mode == MODE_MOV) {
890 if (track->timescale > UINT16_MAX) {
891 if (mov_get_lpcm_flags(track->enc->codec_id))
892 tag = AV_RL32("lpcm");
894 } else if (track->audio_vbr || mov_pcm_le_gt16(track->enc->codec_id) ||
895 mov_pcm_be_gt16(track->enc->codec_id) ||
896 track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
897 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
898 track->enc->codec_id == AV_CODEC_ID_QDM2) {
903 avio_wb32(pb, 0); /* size */
904 avio_wl32(pb, tag); // store it byteswapped
905 avio_wb32(pb, 0); /* Reserved */
906 avio_wb16(pb, 0); /* Reserved */
907 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
909 /* SoundDescription */
910 avio_wb16(pb, version); /* Version */
911 avio_wb16(pb, 0); /* Revision level */
912 avio_wb32(pb, 0); /* Reserved */
917 avio_wb16(pb, 0xfffe);
919 avio_wb32(pb, 0x00010000);
921 avio_wb64(pb, av_double2int(track->enc->sample_rate));
922 avio_wb32(pb, track->enc->channels);
923 avio_wb32(pb, 0x7F000000);
924 avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
925 avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
926 avio_wb32(pb, track->sample_size);
927 avio_wb32(pb, get_samples_per_packet(track));
929 if (track->mode == MODE_MOV) {
930 avio_wb16(pb, track->enc->channels);
931 if (track->enc->codec_id == AV_CODEC_ID_PCM_U8 ||
932 track->enc->codec_id == AV_CODEC_ID_PCM_S8)
933 avio_wb16(pb, 8); /* bits per sample */
934 else if (track->enc->codec_id == AV_CODEC_ID_ADPCM_G726)
935 avio_wb16(pb, track->enc->bits_per_coded_sample);
938 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
939 } else { /* reserved for mp4/3gp */
945 avio_wb16(pb, 0); /* packet size (= 0) */
946 avio_wb16(pb, track->enc->sample_rate <= UINT16_MAX ?
947 track->enc->sample_rate : 0);
948 avio_wb16(pb, 0); /* Reserved */
951 if (version == 1) { /* SoundDescription V1 extended info */
952 if (mov_pcm_le_gt16(track->enc->codec_id) ||
953 mov_pcm_be_gt16(track->enc->codec_id))
954 avio_wb32(pb, 1); /* must be 1 for uncompressed formats */
956 avio_wb32(pb, track->enc->frame_size); /* Samples per packet */
957 avio_wb32(pb, track->sample_size / track->enc->channels); /* Bytes per packet */
958 avio_wb32(pb, track->sample_size); /* Bytes per frame */
959 avio_wb32(pb, 2); /* Bytes per sample */
962 if (track->mode == MODE_MOV &&
963 (track->enc->codec_id == AV_CODEC_ID_AAC ||
964 track->enc->codec_id == AV_CODEC_ID_AC3 ||
965 track->enc->codec_id == AV_CODEC_ID_EAC3 ||
966 track->enc->codec_id == AV_CODEC_ID_AMR_NB ||
967 track->enc->codec_id == AV_CODEC_ID_ALAC ||
968 track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
969 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
970 track->enc->codec_id == AV_CODEC_ID_QDM2 ||
971 (mov_pcm_le_gt16(track->enc->codec_id) && version==1) ||
972 (mov_pcm_be_gt16(track->enc->codec_id) && version==1)))
973 mov_write_wave_tag(pb, track);
974 else if (track->tag == MKTAG('m','p','4','a'))
975 mov_write_esds_tag(pb, track);
976 else if (track->enc->codec_id == AV_CODEC_ID_AMR_NB)
977 mov_write_amr_tag(pb, track);
978 else if (track->enc->codec_id == AV_CODEC_ID_AC3)
979 mov_write_ac3_tag(pb, track);
980 else if (track->enc->codec_id == AV_CODEC_ID_EAC3)
981 mov_write_eac3_tag(pb, track);
982 else if (track->enc->codec_id == AV_CODEC_ID_ALAC)
983 mov_write_extradata_tag(pb, track);
984 else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO)
985 mov_write_wfex_tag(pb, track);
986 else if (track->vos_len > 0)
987 mov_write_glbl_tag(pb, track);
989 if (track->mode == MODE_MOV && track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
990 mov_write_chan_tag(pb, track);
992 return update_size(pb, pos);
995 static int mov_write_d263_tag(AVIOContext *pb)
997 avio_wb32(pb, 0xf); /* size */
998 ffio_wfourcc(pb, "d263");
999 ffio_wfourcc(pb, "FFMP");
1000 avio_w8(pb, 0); /* decoder version */
1001 /* FIXME use AVCodecContext level/profile, when encoder will set values */
1002 avio_w8(pb, 0xa); /* level */
1003 avio_w8(pb, 0); /* profile */
1007 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
1009 int64_t pos = avio_tell(pb);
1012 ffio_wfourcc(pb, "avcC");
1013 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
1014 return update_size(pb, pos);
1017 static int mov_write_hvcc_tag(AVIOContext *pb, MOVTrack *track)
1019 int64_t pos = avio_tell(pb);
1022 ffio_wfourcc(pb, "hvcC");
1023 ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 0);
1024 return update_size(pb, pos);
1027 /* also used by all avid codecs (dv, imx, meridien) and their variants */
1028 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
1031 avio_wb32(pb, 24); /* size */
1032 ffio_wfourcc(pb, "ACLR");
1033 ffio_wfourcc(pb, "ACLR");
1034 ffio_wfourcc(pb, "0001");
1035 if (track->enc->color_range == AVCOL_RANGE_MPEG) { /* Legal range (16-235) */
1036 avio_wb32(pb, 1); /* Corresponds to 709 in official encoder */
1037 } else { /* Full range (0-255) */
1038 avio_wb32(pb, 2); /* Corresponds to RGB in official encoder */
1040 avio_wb32(pb, 0); /* unknown */
1042 avio_wb32(pb, 24); /* size */
1043 ffio_wfourcc(pb, "APRG");
1044 ffio_wfourcc(pb, "APRG");
1045 ffio_wfourcc(pb, "0001");
1046 avio_wb32(pb, 1); /* unknown */
1047 avio_wb32(pb, 0); /* unknown */
1049 avio_wb32(pb, 120); /* size */
1050 ffio_wfourcc(pb, "ARES");
1051 ffio_wfourcc(pb, "ARES");
1052 ffio_wfourcc(pb, "0001");
1053 avio_wb32(pb, AV_RB32(track->vos_data + 0x28)); /* dnxhd cid, some id ? */
1054 avio_wb32(pb, track->enc->width);
1055 /* values below are based on samples created with quicktime and avid codecs */
1056 if (track->vos_data[5] & 2) { // interlaced
1057 avio_wb32(pb, track->enc->height / 2);
1058 avio_wb32(pb, 2); /* unknown */
1059 avio_wb32(pb, 0); /* unknown */
1060 avio_wb32(pb, 4); /* unknown */
1062 avio_wb32(pb, track->enc->height);
1063 avio_wb32(pb, 1); /* unknown */
1064 avio_wb32(pb, 0); /* unknown */
1065 if (track->enc->height == 1080)
1066 avio_wb32(pb, 5); /* unknown */
1068 avio_wb32(pb, 6); /* unknown */
1071 for (i = 0; i < 10; i++)
1074 /* extra padding for stsd needed */
1079 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1081 int tag = track->enc->codec_tag;
1083 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
1086 if (track->enc->codec_id == AV_CODEC_ID_H264) tag = MKTAG('a','v','c','1');
1087 else if (track->enc->codec_id == AV_CODEC_ID_HEVC) tag = MKTAG('h','e','v','1');
1088 else if (track->enc->codec_id == AV_CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
1089 else if (track->enc->codec_id == AV_CODEC_ID_EAC3) tag = MKTAG('e','c','-','3');
1090 else if (track->enc->codec_id == AV_CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
1091 else if (track->enc->codec_id == AV_CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
1092 else if (track->enc->codec_id == AV_CODEC_ID_VC1) tag = MKTAG('v','c','-','1');
1093 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
1094 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
1095 else if (track->enc->codec_id == AV_CODEC_ID_DVD_SUBTITLE) tag = MKTAG('m','p','4','s');
1100 static const AVCodecTag codec_ipod_tags[] = {
1101 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
1102 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
1103 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
1104 { AV_CODEC_ID_ALAC, MKTAG('a','l','a','c') },
1105 { AV_CODEC_ID_AC3, MKTAG('a','c','-','3') },
1106 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
1107 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
1108 { AV_CODEC_ID_NONE, 0 },
1111 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1113 int tag = track->enc->codec_tag;
1115 // keep original tag for subs, ipod supports both formats
1116 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
1117 (tag == MKTAG('t', 'x', '3', 'g') ||
1118 tag == MKTAG('t', 'e', 'x', 't'))))
1119 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
1121 if (!av_match_ext(s->filename, "m4a") &&
1122 !av_match_ext(s->filename, "m4b") &&
1123 !av_match_ext(s->filename, "m4v"))
1124 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a, .m4v nor .m4b "
1125 "Quicktime/Ipod might not play the file\n");
1130 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
1134 if (track->enc->width == 720) { /* SD */
1135 if (track->enc->height == 480) { /* NTSC */
1136 if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
1137 else tag = MKTAG('d','v','c',' ');
1138 }else if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
1139 else if (track->enc->pix_fmt == AV_PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
1140 else tag = MKTAG('d','v','p','p');
1141 } else if (track->enc->height == 720) { /* HD 720 line */
1142 if (track->st->time_base.den == 50) tag = MKTAG('d','v','h','q');
1143 else tag = MKTAG('d','v','h','p');
1144 } else if (track->enc->height == 1080) { /* HD 1080 line */
1145 if (track->st->time_base.den == 25) tag = MKTAG('d','v','h','5');
1146 else tag = MKTAG('d','v','h','6');
1148 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
1155 static AVRational find_fps(AVFormatContext *s, AVStream *st)
1157 AVRational rate = {st->codec->time_base.den, st->codec->time_base.num};
1158 /* if the codec time base makes no sense, try to fallback on stream frame rate */
1159 if (av_timecode_check_frame_rate(rate) < 0) {
1160 av_log(s, AV_LOG_DEBUG, "timecode: tbc=%d/%d invalid, fallback on %d/%d\n",
1161 rate.num, rate.den, st->avg_frame_rate.num, st->avg_frame_rate.den);
1162 rate = st->avg_frame_rate;
1168 static int mov_get_mpeg2_xdcam_codec_tag(AVFormatContext *s, MOVTrack *track)
1170 int tag = track->enc->codec_tag;
1171 int interlaced = track->enc->field_order > AV_FIELD_PROGRESSIVE;
1172 AVStream *st = track->st;
1173 int rate = av_q2d(find_fps(s, st));
1176 tag = MKTAG('m', '2', 'v', '1'); //fallback tag
1178 if (track->enc->pix_fmt == AV_PIX_FMT_YUV420P) {
1179 if (track->enc->width == 1280 && track->enc->height == 720) {
1181 if (rate == 24) tag = MKTAG('x','d','v','4');
1182 else if (rate == 25) tag = MKTAG('x','d','v','5');
1183 else if (rate == 30) tag = MKTAG('x','d','v','1');
1184 else if (rate == 50) tag = MKTAG('x','d','v','a');
1185 else if (rate == 60) tag = MKTAG('x','d','v','9');
1187 } else if (track->enc->width == 1440 && track->enc->height == 1080) {
1189 if (rate == 24) tag = MKTAG('x','d','v','6');
1190 else if (rate == 25) tag = MKTAG('x','d','v','7');
1191 else if (rate == 30) tag = MKTAG('x','d','v','8');
1193 if (rate == 25) tag = MKTAG('x','d','v','3');
1194 else if (rate == 30) tag = MKTAG('x','d','v','2');
1196 } else if (track->enc->width == 1920 && track->enc->height == 1080) {
1198 if (rate == 24) tag = MKTAG('x','d','v','d');
1199 else if (rate == 25) tag = MKTAG('x','d','v','e');
1200 else if (rate == 30) tag = MKTAG('x','d','v','f');
1202 if (rate == 25) tag = MKTAG('x','d','v','c');
1203 else if (rate == 30) tag = MKTAG('x','d','v','b');
1206 } else if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) {
1207 if (track->enc->width == 1280 && track->enc->height == 720) {
1209 if (rate == 24) tag = MKTAG('x','d','5','4');
1210 else if (rate == 25) tag = MKTAG('x','d','5','5');
1211 else if (rate == 30) tag = MKTAG('x','d','5','1');
1212 else if (rate == 50) tag = MKTAG('x','d','5','a');
1213 else if (rate == 60) tag = MKTAG('x','d','5','9');
1215 } else if (track->enc->width == 1920 && track->enc->height == 1080) {
1217 if (rate == 24) tag = MKTAG('x','d','5','d');
1218 else if (rate == 25) tag = MKTAG('x','d','5','e');
1219 else if (rate == 30) tag = MKTAG('x','d','5','f');
1221 if (rate == 25) tag = MKTAG('x','d','5','c');
1222 else if (rate == 30) tag = MKTAG('x','d','5','b');
1230 static int mov_get_h264_codec_tag(AVFormatContext *s, MOVTrack *track)
1232 int tag = track->enc->codec_tag;
1233 int interlaced = track->enc->field_order > AV_FIELD_PROGRESSIVE;
1234 AVStream *st = track->st;
1235 int rate = av_q2d(find_fps(s, st));
1238 tag = MKTAG('a', 'v', 'c', 'i'); //fallback tag
1240 if (track->enc->pix_fmt == AV_PIX_FMT_YUV420P10) {
1241 if (track->enc->width == 960 && track->enc->height == 720) {
1243 if (rate == 24) tag = MKTAG('a','i','5','p');
1244 else if (rate == 25) tag = MKTAG('a','i','5','q');
1245 else if (rate == 30) tag = MKTAG('a','i','5','p');
1246 else if (rate == 50) tag = MKTAG('a','i','5','q');
1247 else if (rate == 60) tag = MKTAG('a','i','5','p');
1249 } else if (track->enc->width == 1440 && track->enc->height == 1080) {
1251 if (rate == 24) tag = MKTAG('a','i','5','3');
1252 else if (rate == 25) tag = MKTAG('a','i','5','2');
1253 else if (rate == 30) tag = MKTAG('a','i','5','3');
1255 if (rate == 50) tag = MKTAG('a','i','5','5');
1256 else if (rate == 60) tag = MKTAG('a','i','5','6');
1259 } else if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P10) {
1260 if (track->enc->width == 1280 && track->enc->height == 720) {
1262 if (rate == 24) tag = MKTAG('a','i','1','p');
1263 else if (rate == 25) tag = MKTAG('a','i','1','q');
1264 else if (rate == 30) tag = MKTAG('a','i','1','p');
1265 else if (rate == 50) tag = MKTAG('a','i','1','q');
1266 else if (rate == 60) tag = MKTAG('a','i','1','p');
1268 } else if (track->enc->width == 1920 && track->enc->height == 1080) {
1270 if (rate == 24) tag = MKTAG('a','i','1','3');
1271 else if (rate == 25) tag = MKTAG('a','i','1','2');
1272 else if (rate == 30) tag = MKTAG('a','i','1','3');
1274 if (rate == 25) tag = MKTAG('a','i','1','5');
1275 else if (rate == 50) tag = MKTAG('a','i','1','5');
1276 else if (rate == 60) tag = MKTAG('a','i','1','6');
1284 static const struct {
1285 enum AVPixelFormat pix_fmt;
1288 } mov_pix_fmt_tags[] = {
1289 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','2'), 0 },
1290 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
1291 { AV_PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
1292 { AV_PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
1293 { AV_PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
1294 { AV_PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
1295 { AV_PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
1296 { AV_PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
1297 { AV_PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
1298 { AV_PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
1299 { AV_PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
1300 { AV_PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
1301 { AV_PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
1302 { AV_PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
1303 { AV_PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
1306 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
1308 int tag = track->enc->codec_tag;
1310 enum AVPixelFormat pix_fmt;
1312 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
1313 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
1314 tag = mov_pix_fmt_tags[i].tag;
1315 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
1316 if (track->enc->codec_tag == mov_pix_fmt_tags[i].tag)
1321 pix_fmt = avpriv_find_pix_fmt(avpriv_pix_fmt_bps_mov,
1322 track->enc->bits_per_coded_sample);
1323 if (tag == MKTAG('r','a','w',' ') &&
1324 track->enc->pix_fmt != pix_fmt &&
1325 track->enc->pix_fmt != AV_PIX_FMT_NONE)
1326 av_log(s, AV_LOG_ERROR, "%s rawvideo cannot be written to mov, output file will be unreadable\n",
1327 av_get_pix_fmt_name(track->enc->pix_fmt));
1331 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1333 int tag = track->enc->codec_tag;
1335 if (!tag || (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
1336 (track->enc->codec_id == AV_CODEC_ID_DVVIDEO ||
1337 track->enc->codec_id == AV_CODEC_ID_RAWVIDEO ||
1338 track->enc->codec_id == AV_CODEC_ID_H263 ||
1339 track->enc->codec_id == AV_CODEC_ID_H264 ||
1340 track->enc->codec_id == AV_CODEC_ID_MPEG2VIDEO ||
1341 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
1342 if (track->enc->codec_id == AV_CODEC_ID_DVVIDEO)
1343 tag = mov_get_dv_codec_tag(s, track);
1344 else if (track->enc->codec_id == AV_CODEC_ID_RAWVIDEO)
1345 tag = mov_get_rawvideo_codec_tag(s, track);
1346 else if (track->enc->codec_id == AV_CODEC_ID_MPEG2VIDEO)
1347 tag = mov_get_mpeg2_xdcam_codec_tag(s, track);
1348 else if (track->enc->codec_id == AV_CODEC_ID_H264)
1349 tag = mov_get_h264_codec_tag(s, track);
1350 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1351 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->enc->codec_id);
1352 if (!tag) { // if no mac fcc found, try with Microsoft tags
1353 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
1355 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
1356 "the file may be unplayable!\n");
1358 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1359 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->enc->codec_id);
1360 if (!tag) { // if no mac fcc found, try with Microsoft tags
1361 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
1363 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
1364 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
1365 "the file may be unplayable!\n");
1368 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
1369 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
1375 static const AVCodecTag codec_3gp_tags[] = {
1376 { AV_CODEC_ID_H263, MKTAG('s','2','6','3') },
1377 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
1378 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
1379 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
1380 { AV_CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
1381 { AV_CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
1382 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
1383 { AV_CODEC_ID_NONE, 0 },
1386 static const AVCodecTag codec_f4v_tags[] = { // XXX: add GIF/PNG/JPEG?
1387 { AV_CODEC_ID_MP3, MKTAG('.','m','p','3') },
1388 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
1389 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
1390 { AV_CODEC_ID_VP6A, MKTAG('V','P','6','A') },
1391 { AV_CODEC_ID_VP6F, MKTAG('V','P','6','F') },
1392 { AV_CODEC_ID_NONE, 0 },
1395 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
1399 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
1400 tag = mp4_get_codec_tag(s, track);
1401 else if (track->mode == MODE_ISM) {
1402 tag = mp4_get_codec_tag(s, track);
1403 if (!tag && track->enc->codec_id == AV_CODEC_ID_WMAPRO)
1404 tag = MKTAG('w', 'm', 'a', ' ');
1405 } else if (track->mode == MODE_IPOD)
1406 tag = ipod_get_codec_tag(s, track);
1407 else if (track->mode & MODE_3GP)
1408 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
1409 else if (track->mode == MODE_F4V)
1410 tag = ff_codec_get_tag(codec_f4v_tags, track->enc->codec_id);
1412 tag = mov_get_codec_tag(s, track);
1417 /** Write uuid atom.
1418 * Needed to make file play in iPods running newest firmware
1419 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
1421 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
1424 ffio_wfourcc(pb, "uuid");
1425 avio_wb32(pb, 0x6b6840f2);
1426 avio_wb32(pb, 0x5f244fc5);
1427 avio_wb32(pb, 0xba39a51b);
1428 avio_wb32(pb, 0xcf0323f3);
1433 static const uint16_t fiel_data[] = {
1434 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
1437 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track)
1439 unsigned mov_field_order = 0;
1440 if (track->enc->field_order < FF_ARRAY_ELEMS(fiel_data))
1441 mov_field_order = fiel_data[track->enc->field_order];
1445 ffio_wfourcc(pb, "fiel");
1446 avio_wb16(pb, mov_field_order);
1450 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
1452 int64_t pos = avio_tell(pb);
1453 avio_wb32(pb, 0); /* size */
1454 avio_wl32(pb, track->tag); // store it byteswapped
1455 avio_wb32(pb, 0); /* Reserved */
1456 avio_wb16(pb, 0); /* Reserved */
1457 avio_wb16(pb, 1); /* Data-reference index */
1459 if (track->enc->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
1460 mov_write_esds_tag(pb, track);
1461 else if (track->enc->extradata_size)
1462 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
1464 return update_size(pb, pos);
1467 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
1470 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
1471 track->enc->sample_aspect_ratio.den, INT_MAX);
1474 ffio_wfourcc(pb, "pasp");
1475 avio_wb32(pb, sar.num);
1476 avio_wb32(pb, sar.den);
1480 static void find_compressor(char * compressor_name, int len, MOVTrack *track)
1482 AVDictionaryEntry *encoder;
1483 int xdcam_res = (track->enc->width == 1280 && track->enc->height == 720)
1484 || (track->enc->width == 1440 && track->enc->height == 1080)
1485 || (track->enc->width == 1920 && track->enc->height == 1080);
1487 if (track->mode == MODE_MOV &&
1488 (encoder = av_dict_get(track->st->metadata, "encoder", NULL, 0))) {
1489 av_strlcpy(compressor_name, encoder->value, 32);
1490 } else if (track->enc->codec_id == AV_CODEC_ID_MPEG2VIDEO && xdcam_res) {
1491 int interlaced = track->enc->field_order > AV_FIELD_PROGRESSIVE;
1492 AVStream *st = track->st;
1493 int rate = av_q2d(find_fps(NULL, st));
1494 av_strlcatf(compressor_name, len, "XDCAM");
1495 if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) {
1496 av_strlcatf(compressor_name, len, " HD422");
1497 } else if(track->enc->width == 1440) {
1498 av_strlcatf(compressor_name, len, " HD");
1500 av_strlcatf(compressor_name, len, " EX");
1502 av_strlcatf(compressor_name, len, " %d%c", track->enc->height, interlaced ? 'i' : 'p');
1504 av_strlcatf(compressor_name, len, "%d", rate * (interlaced + 1));
1508 static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
1510 int64_t pos = avio_tell(pb);
1511 char compressor_name[32] = { 0 };
1513 avio_wb32(pb, 0); /* size */
1514 avio_wl32(pb, track->tag); // store it byteswapped
1515 avio_wb32(pb, 0); /* Reserved */
1516 avio_wb16(pb, 0); /* Reserved */
1517 avio_wb16(pb, 1); /* Data-reference index */
1519 avio_wb16(pb, 0); /* Codec stream version */
1520 avio_wb16(pb, 0); /* Codec stream revision (=0) */
1521 if (track->mode == MODE_MOV) {
1522 ffio_wfourcc(pb, "FFMP"); /* Vendor */
1523 if (track->enc->codec_id == AV_CODEC_ID_RAWVIDEO) {
1524 avio_wb32(pb, 0); /* Temporal Quality */
1525 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
1527 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
1528 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
1531 avio_wb32(pb, 0); /* Reserved */
1532 avio_wb32(pb, 0); /* Reserved */
1533 avio_wb32(pb, 0); /* Reserved */
1535 avio_wb16(pb, track->enc->width); /* Video width */
1536 avio_wb16(pb, track->height); /* Video height */
1537 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
1538 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
1539 avio_wb32(pb, 0); /* Data size (= 0) */
1540 avio_wb16(pb, 1); /* Frame count (= 1) */
1542 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
1543 find_compressor(compressor_name, 32, track);
1544 avio_w8(pb, strlen(compressor_name));
1545 avio_write(pb, compressor_name, 31);
1547 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
1548 avio_wb16(pb, track->enc->bits_per_coded_sample);
1550 avio_wb16(pb, 0x18); /* Reserved */
1551 avio_wb16(pb, 0xffff); /* Reserved */
1552 if (track->tag == MKTAG('m','p','4','v'))
1553 mov_write_esds_tag(pb, track);
1554 else if (track->enc->codec_id == AV_CODEC_ID_H263)
1555 mov_write_d263_tag(pb);
1556 else if (track->enc->codec_id == AV_CODEC_ID_AVUI ||
1557 track->enc->codec_id == AV_CODEC_ID_SVQ3) {
1558 mov_write_extradata_tag(pb, track);
1560 } else if (track->enc->codec_id == AV_CODEC_ID_DNXHD)
1561 mov_write_avid_tag(pb, track);
1562 else if (track->enc->codec_id == AV_CODEC_ID_HEVC)
1563 mov_write_hvcc_tag(pb, track);
1564 else if (track->enc->codec_id == AV_CODEC_ID_H264 && !TAG_IS_AVCI(track->tag)) {
1565 mov_write_avcc_tag(pb, track);
1566 if (track->mode == MODE_IPOD)
1567 mov_write_uuid_tag_ipod(pb);
1568 } else if (track->enc->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
1569 mov_write_dvc1_tag(pb, track);
1570 else if (track->enc->codec_id == AV_CODEC_ID_VP6F ||
1571 track->enc->codec_id == AV_CODEC_ID_VP6A) {
1572 /* Don't write any potential extradata here - the cropping
1573 * is signalled via the normal width/height fields. */
1574 } else if (track->vos_len > 0)
1575 mov_write_glbl_tag(pb, track);
1577 if (track->enc->codec_id != AV_CODEC_ID_H264 &&
1578 track->enc->codec_id != AV_CODEC_ID_MPEG4 &&
1579 track->enc->codec_id != AV_CODEC_ID_DNXHD)
1580 if (track->enc->field_order != AV_FIELD_UNKNOWN)
1581 mov_write_fiel_tag(pb, track);
1583 if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
1584 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
1585 mov_write_pasp_tag(pb, track);
1588 return update_size(pb, pos);
1591 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
1593 int64_t pos = avio_tell(pb);
1594 avio_wb32(pb, 0); /* size */
1595 ffio_wfourcc(pb, "rtp ");
1596 avio_wb32(pb, 0); /* Reserved */
1597 avio_wb16(pb, 0); /* Reserved */
1598 avio_wb16(pb, 1); /* Data-reference index */
1600 avio_wb16(pb, 1); /* Hint track version */
1601 avio_wb16(pb, 1); /* Highest compatible version */
1602 avio_wb32(pb, track->max_packet_size); /* Max packet size */
1604 avio_wb32(pb, 12); /* size */
1605 ffio_wfourcc(pb, "tims");
1606 avio_wb32(pb, track->timescale);
1608 return update_size(pb, pos);
1611 static int mov_write_source_reference_tag(AVIOContext *pb, MOVTrack *track, const char *reel_name)
1613 uint64_t str_size =strlen(reel_name);
1614 int64_t pos = avio_tell(pb);
1616 if (str_size >= UINT16_MAX){
1617 av_log(NULL, AV_LOG_ERROR, "reel_name length %"PRIu64" is too large\n", str_size);
1619 return AVERROR(EINVAL);
1622 avio_wb32(pb, 0); /* size */
1623 ffio_wfourcc(pb, "name"); /* Data format */
1624 avio_wb16(pb, str_size); /* string size */
1625 avio_wb16(pb, track->language); /* langcode */
1626 avio_write(pb, reel_name, str_size); /* reel name */
1627 return update_size(pb,pos);
1630 static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
1632 int64_t pos = avio_tell(pb);
1634 int frame_duration = av_rescale(track->timescale, track->enc->time_base.num, track->enc->time_base.den);
1635 int nb_frames = 1.0/av_q2d(track->enc->time_base) + 0.5;
1636 AVDictionaryEntry *t = NULL;
1638 if (nb_frames > 255) {
1639 av_log(NULL, AV_LOG_ERROR, "fps %d is too large\n", nb_frames);
1640 return AVERROR(EINVAL);
1643 avio_wb32(pb, 0); /* size */
1644 ffio_wfourcc(pb, "tmcd"); /* Data format */
1645 avio_wb32(pb, 0); /* Reserved */
1646 avio_wb32(pb, 1); /* Data reference index */
1647 avio_wb32(pb, 0); /* Flags */
1648 avio_wb32(pb, track->timecode_flags); /* Flags (timecode) */
1649 avio_wb32(pb, track->timescale); /* Timescale */
1650 avio_wb32(pb, frame_duration); /* Frame duration */
1651 avio_w8(pb, nb_frames); /* Number of frames */
1652 avio_w8(pb, 0); /* Reserved */
1655 t = av_dict_get(track->st->metadata, "reel_name", NULL, 0);
1657 if (t && utf8len(t->value))
1658 mov_write_source_reference_tag(pb, track, t->value);
1660 avio_wb16(pb, 0); /* zero size */
1663 avio_wb32(pb, 0); /* size */
1664 ffio_wfourcc(pb, "tmcd"); /* Data format */
1665 avio_wb32(pb, 0); /* Reserved */
1666 avio_wb32(pb, 1); /* Data reference index */
1667 if (track->enc->extradata_size)
1668 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
1670 return update_size(pb, pos);
1673 static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
1675 int64_t pos = avio_tell(pb);
1676 avio_wb32(pb, 0); /* size */
1677 ffio_wfourcc(pb, "stsd");
1678 avio_wb32(pb, 0); /* version & flags */
1679 avio_wb32(pb, 1); /* entry count */
1680 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1681 mov_write_video_tag(pb, track);
1682 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1683 mov_write_audio_tag(pb, track);
1684 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
1685 mov_write_subtitle_tag(pb, track);
1686 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
1687 mov_write_rtp_tag(pb, track);
1688 else if (track->enc->codec_tag == MKTAG('t','m','c','d'))
1689 mov_write_tmcd_tag(pb, track);
1690 return update_size(pb, pos);
1693 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
1695 MOVStts *ctts_entries;
1696 uint32_t entries = 0;
1700 ctts_entries = av_malloc_array((track->entry + 1), sizeof(*ctts_entries)); /* worst case */
1701 ctts_entries[0].count = 1;
1702 ctts_entries[0].duration = track->cluster[0].cts;
1703 for (i = 1; i < track->entry; i++) {
1704 if (track->cluster[i].cts == ctts_entries[entries].duration) {
1705 ctts_entries[entries].count++; /* compress */
1708 ctts_entries[entries].duration = track->cluster[i].cts;
1709 ctts_entries[entries].count = 1;
1712 entries++; /* last one */
1713 atom_size = 16 + (entries * 8);
1714 avio_wb32(pb, atom_size); /* size */
1715 ffio_wfourcc(pb, "ctts");
1716 avio_wb32(pb, 0); /* version & flags */
1717 avio_wb32(pb, entries); /* entry count */
1718 for (i = 0; i < entries; i++) {
1719 avio_wb32(pb, ctts_entries[i].count);
1720 avio_wb32(pb, ctts_entries[i].duration);
1722 av_free(ctts_entries);
1726 /* Time to sample atom */
1727 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
1729 MOVStts *stts_entries;
1730 uint32_t entries = -1;
1734 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
1735 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
1736 stts_entries[0].count = track->sample_count;
1737 stts_entries[0].duration = 1;
1740 stts_entries = track->entry ?
1741 av_malloc_array(track->entry, sizeof(*stts_entries)) : /* worst case */
1743 for (i = 0; i < track->entry; i++) {
1744 int duration = get_cluster_duration(track, i);
1745 if (i && duration == stts_entries[entries].duration) {
1746 stts_entries[entries].count++; /* compress */
1749 stts_entries[entries].duration = duration;
1750 stts_entries[entries].count = 1;
1753 entries++; /* last one */
1755 atom_size = 16 + (entries * 8);
1756 avio_wb32(pb, atom_size); /* size */
1757 ffio_wfourcc(pb, "stts");
1758 avio_wb32(pb, 0); /* version & flags */
1759 avio_wb32(pb, entries); /* entry count */
1760 for (i = 0; i < entries; i++) {
1761 avio_wb32(pb, stts_entries[i].count);
1762 avio_wb32(pb, stts_entries[i].duration);
1764 av_free(stts_entries);
1768 static int mov_write_dref_tag(AVIOContext *pb)
1770 avio_wb32(pb, 28); /* size */
1771 ffio_wfourcc(pb, "dref");
1772 avio_wb32(pb, 0); /* version & flags */
1773 avio_wb32(pb, 1); /* entry count */
1775 avio_wb32(pb, 0xc); /* size */
1776 //FIXME add the alis and rsrc atom
1777 ffio_wfourcc(pb, "url ");
1778 avio_wb32(pb, 1); /* version & flags */
1783 static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
1785 int64_t pos = avio_tell(pb);
1786 avio_wb32(pb, 0); /* size */
1787 ffio_wfourcc(pb, "stbl");
1788 mov_write_stsd_tag(pb, track);
1789 mov_write_stts_tag(pb, track);
1790 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1791 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
1792 track->has_keyframes && track->has_keyframes < track->entry)
1793 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
1794 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
1795 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
1796 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
1797 track->flags & MOV_TRACK_CTTS)
1798 mov_write_ctts_tag(pb, track);
1799 mov_write_stsc_tag(pb, track);
1800 mov_write_stsz_tag(pb, track);
1801 mov_write_stco_tag(pb, track);
1802 return update_size(pb, pos);
1805 static int mov_write_dinf_tag(AVIOContext *pb)
1807 int64_t pos = avio_tell(pb);
1808 avio_wb32(pb, 0); /* size */
1809 ffio_wfourcc(pb, "dinf");
1810 mov_write_dref_tag(pb);
1811 return update_size(pb, pos);
1814 static int mov_write_nmhd_tag(AVIOContext *pb)
1817 ffio_wfourcc(pb, "nmhd");
1822 static int mov_write_tcmi_tag(AVIOContext *pb, MOVTrack *track)
1824 int64_t pos = avio_tell(pb);
1825 const char *font = "Lucida Grande";
1826 avio_wb32(pb, 0); /* size */
1827 ffio_wfourcc(pb, "tcmi"); /* timecode media information atom */
1828 avio_wb32(pb, 0); /* version & flags */
1829 avio_wb16(pb, 0); /* text font */
1830 avio_wb16(pb, 0); /* text face */
1831 avio_wb16(pb, 12); /* text size */
1832 avio_wb16(pb, 0); /* (unknown, not in the QT specs...) */
1833 avio_wb16(pb, 0x0000); /* text color (red) */
1834 avio_wb16(pb, 0x0000); /* text color (green) */
1835 avio_wb16(pb, 0x0000); /* text color (blue) */
1836 avio_wb16(pb, 0xffff); /* background color (red) */
1837 avio_wb16(pb, 0xffff); /* background color (green) */
1838 avio_wb16(pb, 0xffff); /* background color (blue) */
1839 avio_w8(pb, strlen(font)); /* font len (part of the pascal string) */
1840 avio_write(pb, font, strlen(font)); /* font name */
1841 return update_size(pb, pos);
1844 static int mov_write_gmhd_tag(AVIOContext *pb, MOVTrack *track)
1846 int64_t pos = avio_tell(pb);
1847 avio_wb32(pb, 0); /* size */
1848 ffio_wfourcc(pb, "gmhd");
1849 avio_wb32(pb, 0x18); /* gmin size */
1850 ffio_wfourcc(pb, "gmin");/* generic media info */
1851 avio_wb32(pb, 0); /* version & flags */
1852 avio_wb16(pb, 0x40); /* graphics mode = */
1853 avio_wb16(pb, 0x8000); /* opColor (r?) */
1854 avio_wb16(pb, 0x8000); /* opColor (g?) */
1855 avio_wb16(pb, 0x8000); /* opColor (b?) */
1856 avio_wb16(pb, 0); /* balance */
1857 avio_wb16(pb, 0); /* reserved */
1860 * This special text atom is required for
1861 * Apple Quicktime chapters. The contents
1862 * don't appear to be documented, so the
1863 * bytes are copied verbatim.
1865 if (track->tag != MKTAG('c','6','0','8')) {
1866 avio_wb32(pb, 0x2C); /* size */
1867 ffio_wfourcc(pb, "text");
1868 avio_wb16(pb, 0x01);
1869 avio_wb32(pb, 0x00);
1870 avio_wb32(pb, 0x00);
1871 avio_wb32(pb, 0x00);
1872 avio_wb32(pb, 0x01);
1873 avio_wb32(pb, 0x00);
1874 avio_wb32(pb, 0x00);
1875 avio_wb32(pb, 0x00);
1876 avio_wb32(pb, 0x00004000);
1877 avio_wb16(pb, 0x0000);
1880 if (track->enc->codec_tag == MKTAG('t','m','c','d')) {
1881 int64_t tmcd_pos = avio_tell(pb);
1882 avio_wb32(pb, 0); /* size */
1883 ffio_wfourcc(pb, "tmcd");
1884 mov_write_tcmi_tag(pb, track);
1885 update_size(pb, tmcd_pos);
1887 return update_size(pb, pos);
1890 static int mov_write_smhd_tag(AVIOContext *pb)
1892 avio_wb32(pb, 16); /* size */
1893 ffio_wfourcc(pb, "smhd");
1894 avio_wb32(pb, 0); /* version & flags */
1895 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
1896 avio_wb16(pb, 0); /* reserved */
1900 static int mov_write_vmhd_tag(AVIOContext *pb)
1902 avio_wb32(pb, 0x14); /* size (always 0x14) */
1903 ffio_wfourcc(pb, "vmhd");
1904 avio_wb32(pb, 0x01); /* version & flags */
1905 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
1909 static int is_clcp_track(MOVTrack *track)
1911 return track->tag == MKTAG('c','7','0','8') ||
1912 track->tag == MKTAG('c','6','0','8');
1915 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
1917 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1918 int64_t pos = avio_tell(pb);
1922 descr = "DataHandler";
1925 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1926 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1928 descr = "VideoHandler";
1929 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1931 descr = "SoundHandler";
1932 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1933 if (is_clcp_track(track)) {
1935 descr = "ClosedCaptionHandler";
1937 if (track->tag == MKTAG('t','x','3','g')) {
1939 } else if (track->tag == MKTAG('m','p','4','s')) {
1944 descr = "SubtitleHandler";
1946 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1948 descr = "HintHandler";
1949 } else if (track->enc->codec_tag == MKTAG('t','m','c','d')) {
1951 descr = "TimeCodeHandler";
1954 av_get_codec_tag_string(tag_buf, sizeof(tag_buf),
1955 track->enc->codec_tag);
1957 av_log(track->enc, AV_LOG_WARNING,
1958 "Unknown hldr_type for %s / 0x%04X, writing dummy values\n",
1959 tag_buf, track->enc->codec_tag);
1962 // hdlr.name is used by some players to identify the content title
1963 // of the track. So if an alternate handler description is
1964 // specified, use it.
1965 AVDictionaryEntry *t;
1966 t = av_dict_get(track->st->metadata, "handler", NULL, 0);
1967 if (t && utf8len(t->value))
1972 avio_wb32(pb, 0); /* size */
1973 ffio_wfourcc(pb, "hdlr");
1974 avio_wb32(pb, 0); /* Version & flags */
1975 avio_write(pb, hdlr, 4); /* handler */
1976 ffio_wfourcc(pb, hdlr_type); /* handler type */
1977 avio_wb32(pb, 0); /* reserved */
1978 avio_wb32(pb, 0); /* reserved */
1979 avio_wb32(pb, 0); /* reserved */
1980 if (!track || track->mode == MODE_MOV)
1981 avio_w8(pb, strlen(descr)); /* pascal string */
1982 avio_write(pb, descr, strlen(descr)); /* handler description */
1983 if (track && track->mode != MODE_MOV)
1984 avio_w8(pb, 0); /* c string */
1985 return update_size(pb, pos);
1988 static int mov_write_hmhd_tag(AVIOContext *pb)
1990 /* This atom must be present, but leaving the values at zero
1991 * seems harmless. */
1992 avio_wb32(pb, 28); /* size */
1993 ffio_wfourcc(pb, "hmhd");
1994 avio_wb32(pb, 0); /* version, flags */
1995 avio_wb16(pb, 0); /* maxPDUsize */
1996 avio_wb16(pb, 0); /* avgPDUsize */
1997 avio_wb32(pb, 0); /* maxbitrate */
1998 avio_wb32(pb, 0); /* avgbitrate */
1999 avio_wb32(pb, 0); /* reserved */
2003 static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
2005 int64_t pos = avio_tell(pb);
2006 avio_wb32(pb, 0); /* size */
2007 ffio_wfourcc(pb, "minf");
2008 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
2009 mov_write_vmhd_tag(pb);
2010 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
2011 mov_write_smhd_tag(pb);
2012 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2013 if (track->tag == MKTAG('t','e','x','t') || is_clcp_track(track)) {
2014 mov_write_gmhd_tag(pb, track);
2016 mov_write_nmhd_tag(pb);
2018 } else if (track->tag == MKTAG('r','t','p',' ')) {
2019 mov_write_hmhd_tag(pb);
2020 } else if (track->tag == MKTAG('t','m','c','d')) {
2021 mov_write_gmhd_tag(pb, track);
2023 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
2024 mov_write_hdlr_tag(pb, NULL);
2025 mov_write_dinf_tag(pb);
2026 mov_write_stbl_tag(pb, track);
2027 return update_size(pb, pos);
2030 static int mov_write_mdhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2033 int version = track->track_duration < INT32_MAX ? 0 : 1;
2035 if (track->mode == MODE_ISM)
2038 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
2039 ffio_wfourcc(pb, "mdhd");
2040 avio_w8(pb, version);
2041 avio_wb24(pb, 0); /* flags */
2043 avio_wb64(pb, track->time);
2044 avio_wb64(pb, track->time);
2046 avio_wb32(pb, track->time); /* creation time */
2047 avio_wb32(pb, track->time); /* modification time */
2049 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
2050 if (!track->entry && mov->mode == MODE_ISM)
2051 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2052 else if (!track->entry)
2053 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2055 (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
2056 avio_wb16(pb, track->language); /* language */
2057 avio_wb16(pb, 0); /* reserved (quality) */
2059 if (version != 0 && track->mode == MODE_MOV) {
2060 av_log(NULL, AV_LOG_ERROR,
2061 "FATAL error, file duration too long for timebase, this file will not be\n"
2062 "playable with quicktime. Choose a different timebase or a different\n"
2063 "container format\n");
2069 static int mov_write_mdia_tag(AVIOContext *pb, MOVMuxContext *mov,
2072 int64_t pos = avio_tell(pb);
2073 avio_wb32(pb, 0); /* size */
2074 ffio_wfourcc(pb, "mdia");
2075 mov_write_mdhd_tag(pb, mov, track);
2076 mov_write_hdlr_tag(pb, track);
2077 mov_write_minf_tag(pb, track);
2078 return update_size(pb, pos);
2081 /* transformation matrix
2085 static void write_matrix(AVIOContext *pb, int16_t a, int16_t b, int16_t c,
2086 int16_t d, int16_t tx, int16_t ty)
2088 avio_wb32(pb, a << 16); /* 16.16 format */
2089 avio_wb32(pb, b << 16); /* 16.16 format */
2090 avio_wb32(pb, 0); /* u in 2.30 format */
2091 avio_wb32(pb, c << 16); /* 16.16 format */
2092 avio_wb32(pb, d << 16); /* 16.16 format */
2093 avio_wb32(pb, 0); /* v in 2.30 format */
2094 avio_wb32(pb, tx << 16); /* 16.16 format */
2095 avio_wb32(pb, ty << 16); /* 16.16 format */
2096 avio_wb32(pb, 1 << 30); /* w in 2.30 format */
2099 static int mov_write_tkhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2100 MOVTrack *track, AVStream *st)
2102 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
2103 track->timescale, AV_ROUND_UP);
2104 int version = duration < INT32_MAX ? 0 : 1;
2105 int flags = MOV_TKHD_FLAG_IN_MOVIE;
2111 if (mov->per_stream_grouping)
2114 group = st->codec->codec_type;
2117 if (track->flags & MOV_TRACK_ENABLED)
2118 flags |= MOV_TKHD_FLAG_ENABLED;
2120 if (track->mode == MODE_ISM)
2123 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
2124 ffio_wfourcc(pb, "tkhd");
2125 avio_w8(pb, version);
2126 avio_wb24(pb, flags);
2128 avio_wb64(pb, track->time);
2129 avio_wb64(pb, track->time);
2131 avio_wb32(pb, track->time); /* creation time */
2132 avio_wb32(pb, track->time); /* modification time */
2134 avio_wb32(pb, track->track_id); /* track-id */
2135 avio_wb32(pb, 0); /* reserved */
2136 if (!track->entry && mov->mode == MODE_ISM)
2137 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2138 else if (!track->entry)
2139 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2141 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
2143 avio_wb32(pb, 0); /* reserved */
2144 avio_wb32(pb, 0); /* reserved */
2145 avio_wb16(pb, 0); /* layer */
2146 avio_wb16(pb, group); /* alternate group) */
2147 /* Volume, only for audio */
2148 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
2149 avio_wb16(pb, 0x0100);
2152 avio_wb16(pb, 0); /* reserved */
2154 /* Matrix structure */
2155 if (st && st->metadata) {
2156 AVDictionaryEntry *rot = av_dict_get(st->metadata, "rotate", NULL, 0);
2157 rotation = (rot && rot->value) ? atoi(rot->value) : 0;
2159 if (rotation == 90) {
2160 write_matrix(pb, 0, 1, -1, 0, track->enc->height, 0);
2161 } else if (rotation == 180) {
2162 write_matrix(pb, -1, 0, 0, -1, track->enc->width, track->enc->height);
2163 } else if (rotation == 270) {
2164 write_matrix(pb, 0, -1, 1, 0, 0, track->enc->width);
2166 write_matrix(pb, 1, 0, 0, 1, 0, 0);
2168 /* Track width and height, for visual only */
2169 if (st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
2170 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
2171 if (track->mode == MODE_MOV) {
2172 avio_wb32(pb, track->enc->width << 16);
2173 avio_wb32(pb, track->height << 16);
2175 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
2176 if (!sample_aspect_ratio || track->height != track->enc->height)
2177 sample_aspect_ratio = 1;
2178 avio_wb32(pb, sample_aspect_ratio * track->enc->width * 0x10000);
2179 avio_wb32(pb, track->height * 0x10000);
2188 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
2190 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
2191 track->enc->sample_aspect_ratio.den);
2193 int64_t pos = avio_tell(pb);
2195 avio_wb32(pb, 0); /* size */
2196 ffio_wfourcc(pb, "tapt");
2199 ffio_wfourcc(pb, "clef");
2201 avio_wb32(pb, width << 16);
2202 avio_wb32(pb, track->enc->height << 16);
2205 ffio_wfourcc(pb, "prof");
2207 avio_wb32(pb, width << 16);
2208 avio_wb32(pb, track->enc->height << 16);
2211 ffio_wfourcc(pb, "enof");
2213 avio_wb32(pb, track->enc->width << 16);
2214 avio_wb32(pb, track->enc->height << 16);
2216 return update_size(pb, pos);
2219 // This box seems important for the psp playback ... without it the movie seems to hang
2220 static int mov_write_edts_tag(AVIOContext *pb, MOVMuxContext *mov,
2223 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
2224 track->timescale, AV_ROUND_UP);
2225 int version = duration < INT32_MAX ? 0 : 1;
2226 int entry_size, entry_count, size;
2227 int64_t delay, start_ct = track->cluster[0].cts;
2228 delay = av_rescale_rnd(track->cluster[0].dts + start_ct, MOV_TIMESCALE,
2229 track->timescale, AV_ROUND_DOWN);
2230 version |= delay < INT32_MAX ? 0 : 1;
2232 entry_size = (version == 1) ? 20 : 12;
2233 entry_count = 1 + (delay > 0);
2234 size = 24 + entry_count * entry_size;
2236 /* write the atom data */
2237 avio_wb32(pb, size);
2238 ffio_wfourcc(pb, "edts");
2239 avio_wb32(pb, size - 8);
2240 ffio_wfourcc(pb, "elst");
2241 avio_w8(pb, version);
2242 avio_wb24(pb, 0); /* flags */
2244 avio_wb32(pb, entry_count);
2245 if (delay > 0) { /* add an empty edit to delay presentation */
2246 /* In the positive delay case, the delay includes the cts
2247 * offset, and the second edit list entry below trims out
2248 * the same amount from the actual content. This makes sure
2249 * that the offsetted last sample is included in the edit
2250 * list duration as well. */
2252 avio_wb64(pb, delay);
2255 avio_wb32(pb, delay);
2258 avio_wb32(pb, 0x00010000);
2260 /* Avoid accidentally ending up with start_ct = -1 which has got a
2261 * special meaning. Normally start_ct should end up positive or zero
2262 * here, but use FFMIN in case dts is a a small positive integer
2263 * rounded to 0 when represented in MOV_TIMESCALE units. */
2264 av_assert0(av_rescale_rnd(track->cluster[0].dts, MOV_TIMESCALE, track->timescale, AV_ROUND_DOWN) <= 0);
2265 start_ct = -FFMIN(track->cluster[0].dts, 0);
2266 /* Note, this delay is calculated from the pts of the first sample,
2267 * ensuring that we don't reduce the duration for cases with
2272 /* For fragmented files, we don't know the full length yet. Setting
2273 * duration to 0 allows us to only specify the offset, including
2274 * the rest of the content (from all future fragments) without specifying
2275 * an explicit duration. */
2276 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
2281 avio_wb64(pb, duration);
2282 avio_wb64(pb, start_ct);
2284 avio_wb32(pb, duration);
2285 avio_wb32(pb, start_ct);
2287 avio_wb32(pb, 0x00010000);
2291 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
2293 avio_wb32(pb, 20); // size
2294 ffio_wfourcc(pb, "tref");
2295 avio_wb32(pb, 12); // size (subatom)
2296 avio_wl32(pb, track->tref_tag);
2297 avio_wb32(pb, track->tref_id);
2301 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
2302 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
2304 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
2305 ffio_wfourcc(pb, "uuid");
2306 ffio_wfourcc(pb, "USMT");
2307 avio_wb32(pb, 0x21d24fce);
2308 avio_wb32(pb, 0xbb88695c);
2309 avio_wb32(pb, 0xfac9c740);
2310 avio_wb32(pb, 0x1c); // another size here!
2311 ffio_wfourcc(pb, "MTDT");
2312 avio_wb32(pb, 0x00010012);
2313 avio_wb32(pb, 0x0a);
2314 avio_wb32(pb, 0x55c40000);
2320 static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
2322 AVFormatContext *ctx = track->rtp_ctx;
2323 char buf[1000] = "";
2326 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track,
2327 NULL, NULL, 0, 0, ctx);
2328 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id);
2331 avio_wb32(pb, len + 24);
2332 ffio_wfourcc(pb, "udta");
2333 avio_wb32(pb, len + 16);
2334 ffio_wfourcc(pb, "hnti");
2335 avio_wb32(pb, len + 8);
2336 ffio_wfourcc(pb, "sdp ");
2337 avio_write(pb, buf, len);
2341 static int mov_write_track_metadata(AVIOContext *pb, AVStream *st,
2342 const char *tag, const char *str)
2344 int64_t pos = avio_tell(pb);
2345 AVDictionaryEntry *t = av_dict_get(st->metadata, str, NULL, 0);
2346 if (!t || !utf8len(t->value))
2349 avio_wb32(pb, 0); /* size */
2350 ffio_wfourcc(pb, tag); /* type */
2351 avio_write(pb, t->value, strlen(t->value)); /* UTF8 string value */
2352 return update_size(pb, pos);
2355 static int mov_write_track_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
2358 AVIOContext *pb_buf;
2362 if (!st || mov->fc->flags & AVFMT_FLAG_BITEXACT)
2365 ret = avio_open_dyn_buf(&pb_buf);
2369 if (mov->mode & MODE_MP4)
2370 mov_write_track_metadata(pb_buf, st, "name", "title");
2372 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
2373 avio_wb32(pb, size + 8);
2374 ffio_wfourcc(pb, "udta");
2375 avio_write(pb, buf, size);
2382 static int mov_write_trak_tag(AVIOContext *pb, MOVMuxContext *mov,
2383 MOVTrack *track, AVStream *st)
2385 int64_t pos = avio_tell(pb);
2386 avio_wb32(pb, 0); /* size */
2387 ffio_wfourcc(pb, "trak");
2388 mov_write_tkhd_tag(pb, mov, track, st);
2390 av_assert2(mov->use_editlist >= 0);
2392 if (mov->use_editlist)
2393 mov_write_edts_tag(pb, mov, track); // PSP Movies and several other cases require edts box
2394 else if ((track->entry && track->cluster[0].dts) || track->mode == MODE_PSP || is_clcp_track(track))
2395 av_log(mov->fc, AV_LOG_WARNING,
2396 "Not writing any edit list even though one would have been required\n");
2398 if (track->tref_tag)
2399 mov_write_tref_tag(pb, track);
2400 mov_write_mdia_tag(pb, mov, track);
2401 if (track->mode == MODE_PSP)
2402 mov_write_uuid_tag_psp(pb, track); // PSP Movies require this uuid box
2403 if (track->tag == MKTAG('r','t','p',' '))
2404 mov_write_udta_sdp(pb, track);
2405 if (track->mode == MODE_MOV) {
2406 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2407 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
2408 if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio) {
2409 mov_write_tapt_tag(pb, track);
2412 if (is_clcp_track(track) && st->sample_aspect_ratio.num) {
2413 mov_write_tapt_tag(pb, track);
2416 mov_write_track_udta_tag(pb, mov, st);
2417 return update_size(pb, pos);
2420 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
2422 int i, has_audio = 0, has_video = 0;
2423 int64_t pos = avio_tell(pb);
2424 int audio_profile = mov->iods_audio_profile;
2425 int video_profile = mov->iods_video_profile;
2426 for (i = 0; i < mov->nb_streams; i++) {
2427 if (mov->tracks[i].entry > 0) {
2428 has_audio |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_AUDIO;
2429 has_video |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_VIDEO;
2432 if (audio_profile < 0)
2433 audio_profile = 0xFF - has_audio;
2434 if (video_profile < 0)
2435 video_profile = 0xFF - has_video;
2436 avio_wb32(pb, 0x0); /* size */
2437 ffio_wfourcc(pb, "iods");
2438 avio_wb32(pb, 0); /* version & flags */
2439 put_descr(pb, 0x10, 7);
2440 avio_wb16(pb, 0x004f);
2443 avio_w8(pb, audio_profile);
2444 avio_w8(pb, video_profile);
2446 return update_size(pb, pos);
2449 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
2451 avio_wb32(pb, 0x20); /* size */
2452 ffio_wfourcc(pb, "trex");
2453 avio_wb32(pb, 0); /* version & flags */
2454 avio_wb32(pb, track->track_id); /* track ID */
2455 avio_wb32(pb, 1); /* default sample description index */
2456 avio_wb32(pb, 0); /* default sample duration */
2457 avio_wb32(pb, 0); /* default sample size */
2458 avio_wb32(pb, 0); /* default sample flags */
2462 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
2464 int64_t pos = avio_tell(pb);
2466 avio_wb32(pb, 0x0); /* size */
2467 ffio_wfourcc(pb, "mvex");
2468 for (i = 0; i < mov->nb_streams; i++)
2469 mov_write_trex_tag(pb, &mov->tracks[i]);
2470 return update_size(pb, pos);
2473 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
2475 int max_track_id = 1, i;
2476 int64_t max_track_len_temp, max_track_len = 0;
2479 for (i = 0; i < mov->nb_streams; i++) {
2480 if (mov->tracks[i].entry > 0 && mov->tracks[i].timescale) {
2481 max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration,
2483 mov->tracks[i].timescale,
2485 if (max_track_len < max_track_len_temp)
2486 max_track_len = max_track_len_temp;
2487 if (max_track_id < mov->tracks[i].track_id)
2488 max_track_id = mov->tracks[i].track_id;
2492 version = max_track_len < UINT32_MAX ? 0 : 1;
2493 (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */
2494 ffio_wfourcc(pb, "mvhd");
2495 avio_w8(pb, version);
2496 avio_wb24(pb, 0); /* flags */
2498 avio_wb64(pb, mov->time);
2499 avio_wb64(pb, mov->time);
2501 avio_wb32(pb, mov->time); /* creation time */
2502 avio_wb32(pb, mov->time); /* modification time */
2504 avio_wb32(pb, MOV_TIMESCALE);
2505 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
2507 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
2508 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
2509 avio_wb16(pb, 0); /* reserved */
2510 avio_wb32(pb, 0); /* reserved */
2511 avio_wb32(pb, 0); /* reserved */
2513 /* Matrix structure */
2514 write_matrix(pb, 1, 0, 0, 1, 0, 0);
2516 avio_wb32(pb, 0); /* reserved (preview time) */
2517 avio_wb32(pb, 0); /* reserved (preview duration) */
2518 avio_wb32(pb, 0); /* reserved (poster time) */
2519 avio_wb32(pb, 0); /* reserved (selection time) */
2520 avio_wb32(pb, 0); /* reserved (selection duration) */
2521 avio_wb32(pb, 0); /* reserved (current time) */
2522 avio_wb32(pb, max_track_id + 1); /* Next track id */
2526 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
2529 avio_wb32(pb, 33); /* size */
2530 ffio_wfourcc(pb, "hdlr");
2533 ffio_wfourcc(pb, "mdir");
2534 ffio_wfourcc(pb, "appl");
2541 /* helper function to write a data tag with the specified string as data */
2542 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
2545 int size = 16 + strlen(data);
2546 avio_wb32(pb, size); /* size */
2547 ffio_wfourcc(pb, "data");
2550 avio_write(pb, data, strlen(data));
2554 lang = ff_mov_iso639_to_lang("und", 1);
2555 avio_wb16(pb, strlen(data)); /* string length */
2556 avio_wb16(pb, lang);
2557 avio_write(pb, data, strlen(data));
2558 return strlen(data) + 4;
2562 static int mov_write_string_tag(AVIOContext *pb, const char *name,
2563 const char *value, int lang, int long_style)
2566 if (value && value[0]) {
2567 int64_t pos = avio_tell(pb);
2568 avio_wb32(pb, 0); /* size */
2569 ffio_wfourcc(pb, name);
2570 mov_write_string_data_tag(pb, value, lang, long_style);
2571 size = update_size(pb, pos);
2576 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
2577 const char *name, const char *tag,
2580 int l, lang = 0, len, len2;
2581 AVDictionaryEntry *t, *t2 = NULL;
2584 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
2587 len = strlen(t->key);
2588 snprintf(tag2, sizeof(tag2), "%s-", tag);
2589 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
2590 len2 = strlen(t2->key);
2591 if (len2 == len + 4 && !strcmp(t->value, t2->value)
2592 && (l = ff_mov_iso639_to_lang(&t2->key[len2 - 3], 1)) >= 0) {
2597 return mov_write_string_tag(pb, name, t->value, lang, long_style);
2600 /* iTunes bpm number */
2601 static int mov_write_tmpo_tag(AVIOContext *pb, AVFormatContext *s)
2603 AVDictionaryEntry *t = av_dict_get(s->metadata, "tmpo", NULL, 0);
2604 int size = 0, tmpo = t ? atoi(t->value) : 0;
2607 avio_wb32(pb, size);
2608 ffio_wfourcc(pb, "tmpo");
2609 avio_wb32(pb, size-8); /* size */
2610 ffio_wfourcc(pb, "data");
2611 avio_wb32(pb, 0x15); //type specifier
2613 avio_wb16(pb, tmpo); // data
2618 /* iTunes track or disc number */
2619 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
2620 AVFormatContext *s, int disc)
2622 AVDictionaryEntry *t = av_dict_get(s->metadata,
2623 disc ? "disc" : "track",
2625 int size = 0, track = t ? atoi(t->value) : 0;
2628 char *slash = strchr(t->value, '/');
2630 tracks = atoi(slash + 1);
2631 avio_wb32(pb, 32); /* size */
2632 ffio_wfourcc(pb, disc ? "disk" : "trkn");
2633 avio_wb32(pb, 24); /* size */
2634 ffio_wfourcc(pb, "data");
2635 avio_wb32(pb, 0); // 8 bytes empty
2637 avio_wb16(pb, 0); // empty
2638 avio_wb16(pb, track); // track / disc number
2639 avio_wb16(pb, tracks); // total track / disc number
2640 avio_wb16(pb, 0); // empty
2646 static int mov_write_int8_metadata(AVFormatContext *s, AVIOContext *pb,
2647 const char *name, const char *tag,
2650 AVDictionaryEntry *t = NULL;
2652 int size = 24 + len;
2654 if (len != 1 && len != 4)
2657 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
2659 num = atoi(t->value);
2661 avio_wb32(pb, size);
2662 ffio_wfourcc(pb, name);
2663 avio_wb32(pb, size - 8);
2664 ffio_wfourcc(pb, "data");
2665 avio_wb32(pb, 0x15);
2667 if (len==4) avio_wb32(pb, num);
2668 else avio_w8 (pb, num);
2673 /* iTunes meta data list */
2674 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
2677 int64_t pos = avio_tell(pb);
2678 avio_wb32(pb, 0); /* size */
2679 ffio_wfourcc(pb, "ilst");
2680 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
2681 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
2682 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
2683 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
2684 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
2685 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
2687 !mov_write_string_metadata(s, pb, "\251too", "encoding_tool", 1))
2688 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
2689 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
2690 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
2691 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
2692 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
2693 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
2694 mov_write_string_metadata(s, pb, "desc", "description",1);
2695 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
2696 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
2697 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
2698 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
2699 mov_write_int8_metadata (s, pb, "tves", "episode_sort",4);
2700 mov_write_int8_metadata (s, pb, "tvsn", "season_number",4);
2701 mov_write_int8_metadata (s, pb, "stik", "media_type",1);
2702 mov_write_int8_metadata (s, pb, "hdvd", "hd_video", 1);
2703 mov_write_int8_metadata (s, pb, "pgap", "gapless_playback",1);
2704 mov_write_int8_metadata (s, pb, "cpil", "compilation", 1);
2705 mov_write_trkn_tag(pb, mov, s, 0); // track number
2706 mov_write_trkn_tag(pb, mov, s, 1); // disc number
2707 mov_write_tmpo_tag(pb, s);
2708 return update_size(pb, pos);
2711 /* iTunes meta data tag */
2712 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
2716 int64_t pos = avio_tell(pb);
2717 avio_wb32(pb, 0); /* size */
2718 ffio_wfourcc(pb, "meta");
2720 mov_write_itunes_hdlr_tag(pb, mov, s);
2721 mov_write_ilst_tag(pb, mov, s);
2722 size = update_size(pb, pos);
2726 static int mov_write_raw_metadata_tag(AVFormatContext *s, AVIOContext *pb,
2727 const char *name, const char *key)
2730 AVDictionaryEntry *t;
2732 if (!(t = av_dict_get(s->metadata, key, NULL, 0)))
2735 len = strlen(t->value);
2738 avio_wb32(pb, size);
2739 ffio_wfourcc(pb, name);
2740 avio_write(pb, t->value, len);
2746 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
2750 GET_UTF8(val, *b++, return -1;)
2753 avio_wb16(pb, 0x00);
2757 static uint16_t language_code(const char *str)
2759 return (((str[0] - 0x60) & 0x1F) << 10) +
2760 (((str[1] - 0x60) & 0x1F) << 5) +
2761 (( str[2] - 0x60) & 0x1F);
2764 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
2765 const char *tag, const char *str)
2767 int64_t pos = avio_tell(pb);
2768 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
2769 if (!t || !utf8len(t->value))
2771 avio_wb32(pb, 0); /* size */
2772 ffio_wfourcc(pb, tag); /* type */
2773 avio_wb32(pb, 0); /* version + flags */
2774 if (!strcmp(tag, "yrrc"))
2775 avio_wb16(pb, atoi(t->value));
2777 avio_wb16(pb, language_code("eng")); /* language */
2778 avio_write(pb, t->value, strlen(t->value) + 1); /* UTF8 string value */
2779 if (!strcmp(tag, "albm") &&
2780 (t = av_dict_get(s->metadata, "track", NULL, 0)))
2781 avio_w8(pb, atoi(t->value));
2783 return update_size(pb, pos);
2786 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
2788 int64_t pos = avio_tell(pb);
2789 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
2791 avio_wb32(pb, 0); // size
2792 ffio_wfourcc(pb, "chpl");
2793 avio_wb32(pb, 0x01000000); // version + flags
2794 avio_wb32(pb, 0); // unknown
2795 avio_w8(pb, nb_chapters);
2797 for (i = 0; i < nb_chapters; i++) {
2798 AVChapter *c = s->chapters[i];
2799 AVDictionaryEntry *t;
2800 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
2802 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
2803 int len = FFMIN(strlen(t->value), 255);
2805 avio_write(pb, t->value, len);
2809 return update_size(pb, pos);
2812 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
2815 AVIOContext *pb_buf;
2819 ret = avio_open_dyn_buf(&pb_buf);
2823 if (mov->mode & MODE_3GP) {
2824 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
2825 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
2826 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
2827 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
2828 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
2829 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
2830 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
2831 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
2832 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
2833 mov_write_string_metadata(s, pb_buf, "\251ART", "artist", 0);
2834 mov_write_string_metadata(s, pb_buf, "\251nam", "title", 0);
2835 mov_write_string_metadata(s, pb_buf, "\251aut", "author", 0);
2836 mov_write_string_metadata(s, pb_buf, "\251alb", "album", 0);
2837 mov_write_string_metadata(s, pb_buf, "\251day", "date", 0);
2838 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder", 0);
2839 // currently ignored by mov.c
2840 mov_write_string_metadata(s, pb_buf, "\251des", "comment", 0);
2841 // add support for libquicktime, this atom is also actually read by mov.c
2842 mov_write_string_metadata(s, pb_buf, "\251cmt", "comment", 0);
2843 mov_write_string_metadata(s, pb_buf, "\251gen", "genre", 0);
2844 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright", 0);
2845 mov_write_raw_metadata_tag(s, pb_buf, "XMP_", "xmp");
2847 /* iTunes meta data */
2848 mov_write_meta_tag(pb_buf, mov, s);
2851 if (s->nb_chapters && !(mov->flags & FF_MOV_FLAG_DISABLE_CHPL))
2852 mov_write_chpl_tag(pb_buf, s);
2854 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
2855 avio_wb32(pb, size + 8);
2856 ffio_wfourcc(pb, "udta");
2857 avio_write(pb, buf, size);
2864 static void mov_write_psp_udta_tag(AVIOContext *pb,
2865 const char *str, const char *lang, int type)
2867 int len = utf8len(str) + 1;
2870 avio_wb16(pb, len * 2 + 10); /* size */
2871 avio_wb32(pb, type); /* type */
2872 avio_wb16(pb, language_code(lang)); /* language */
2873 avio_wb16(pb, 0x01); /* ? */
2874 ascii_to_wc(pb, str);
2877 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
2879 MOVMuxContext *mov = s->priv_data;
2880 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
2884 pos = avio_tell(pb);
2885 avio_wb32(pb, 0); /* size placeholder*/
2886 ffio_wfourcc(pb, "uuid");
2887 ffio_wfourcc(pb, "USMT");
2888 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2889 avio_wb32(pb, 0xbb88695c);
2890 avio_wb32(pb, 0xfac9c740);
2892 pos2 = avio_tell(pb);
2893 avio_wb32(pb, 0); /* size placeholder*/
2894 ffio_wfourcc(pb, "MTDT");
2898 avio_wb16(pb, 0x0C); /* size */
2899 avio_wb32(pb, 0x0B); /* type */
2900 avio_wb16(pb, language_code("und")); /* language */
2901 avio_wb16(pb, 0x0); /* ? */
2902 avio_wb16(pb, 0x021C); /* data */
2905 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
2906 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
2907 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
2909 update_size(pb, pos2);
2910 return update_size(pb, pos);
2916 static void build_chunks(MOVTrack *trk)
2919 MOVIentry *chunk = &trk->cluster[0];
2920 uint64_t chunkSize = chunk->size;
2921 chunk->chunkNum = 1;
2922 if (trk->chunkCount)
2924 trk->chunkCount = 1;
2925 for (i = 1; i<trk->entry; i++){
2926 if (chunk->pos + chunkSize == trk->cluster[i].pos &&
2927 chunkSize + trk->cluster[i].size < (1<<20)){
2928 chunkSize += trk->cluster[i].size;
2929 chunk->samples_in_chunk += trk->cluster[i].entries;
2931 trk->cluster[i].chunkNum = chunk->chunkNum+1;
2932 chunk=&trk->cluster[i];
2933 chunkSize = chunk->size;
2939 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
2943 int64_t pos = avio_tell(pb);
2944 avio_wb32(pb, 0); /* size placeholder*/
2945 ffio_wfourcc(pb, "moov");
2947 for (i = 0; i < mov->nb_streams; i++) {
2948 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
2951 mov->tracks[i].time = mov->time;
2952 mov->tracks[i].track_id = i + 1;
2954 if (mov->tracks[i].entry)
2955 build_chunks(&mov->tracks[i]);
2958 if (mov->chapter_track)
2959 for (i = 0; i < s->nb_streams; i++) {
2960 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
2961 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
2963 for (i = 0; i < mov->nb_streams; i++) {
2964 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
2965 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
2966 mov->tracks[i].tref_id =
2967 mov->tracks[mov->tracks[i].src_track].track_id;
2970 for (i = 0; i < mov->nb_streams; i++) {
2971 if (mov->tracks[i].tag == MKTAG('t','m','c','d')) {
2972 int src_trk = mov->tracks[i].src_track;
2973 mov->tracks[src_trk].tref_tag = mov->tracks[i].tag;
2974 mov->tracks[src_trk].tref_id = mov->tracks[i].track_id;
2975 //src_trk may have a different timescale than the tmcd track
2976 mov->tracks[i].track_duration = av_rescale(mov->tracks[src_trk].track_duration,
2977 mov->tracks[i].timescale,
2978 mov->tracks[src_trk].timescale);
2982 mov_write_mvhd_tag(pb, mov);
2983 if (mov->mode != MODE_MOV && !mov->iods_skip)
2984 mov_write_iods_tag(pb, mov);
2985 for (i = 0; i < mov->nb_streams; i++) {
2986 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
2987 mov_write_trak_tag(pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
2990 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
2991 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
2993 if (mov->mode == MODE_PSP)
2994 mov_write_uuidusmt_tag(pb, s);
2996 mov_write_udta_tag(pb, mov, s);
2998 return update_size(pb, pos);
3001 static void param_write_int(AVIOContext *pb, const char *name, int value)
3003 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
3006 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
3008 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
3011 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
3014 len = FFMIN(sizeof(buf) / 2 - 1, len);
3015 ff_data_to_hex(buf, value, len, 0);
3016 buf[2 * len] = '\0';
3017 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
3020 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov)
3022 int64_t pos = avio_tell(pb);
3024 static const uint8_t uuid[] = {
3025 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
3026 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
3030 ffio_wfourcc(pb, "uuid");
3031 avio_write(pb, uuid, sizeof(uuid));
3034 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
3035 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
3036 avio_printf(pb, "<head>\n");
3038 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
3040 avio_printf(pb, "</head>\n");
3041 avio_printf(pb, "<body>\n");
3042 avio_printf(pb, "<switch>\n");
3043 for (i = 0; i < mov->nb_streams; i++) {
3044 MOVTrack *track = &mov->tracks[i];
3046 /* track->track_id is initialized in write_moov, and thus isn't known
3048 int track_id = i + 1;
3050 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
3052 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
3057 avio_printf(pb, "<%s systemBitrate=\"%d\">\n", type,
3058 track->enc->bit_rate);
3059 param_write_int(pb, "systemBitrate", track->enc->bit_rate);
3060 param_write_int(pb, "trackID", track_id);
3061 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
3062 if (track->enc->codec_id == AV_CODEC_ID_H264) {
3064 int size = track->enc->extradata_size;
3065 if (!ff_avc_write_annexb_extradata(track->enc->extradata, &ptr,
3067 param_write_hex(pb, "CodecPrivateData",
3068 ptr ? ptr : track->enc->extradata,
3072 param_write_string(pb, "FourCC", "H264");
3073 } else if (track->enc->codec_id == AV_CODEC_ID_VC1) {
3074 param_write_string(pb, "FourCC", "WVC1");
3075 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
3076 track->enc->extradata_size);
3078 param_write_int(pb, "MaxWidth", track->enc->width);
3079 param_write_int(pb, "MaxHeight", track->enc->height);
3080 param_write_int(pb, "DisplayWidth", track->enc->width);
3081 param_write_int(pb, "DisplayHeight", track->enc->height);
3083 if (track->enc->codec_id == AV_CODEC_ID_AAC) {
3084 param_write_string(pb, "FourCC", "AACL");
3085 } else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO) {
3086 param_write_string(pb, "FourCC", "WMAP");
3088 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
3089 track->enc->extradata_size);
3090 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
3091 track->enc->codec_id));
3092 param_write_int(pb, "Channels", track->enc->channels);
3093 param_write_int(pb, "SamplingRate", track->enc->sample_rate);
3094 param_write_int(pb, "BitsPerSample", 16);
3095 param_write_int(pb, "PacketSize", track->enc->block_align ?
3096 track->enc->block_align : 4);
3098 avio_printf(pb, "</%s>\n", type);
3100 avio_printf(pb, "</switch>\n");
3101 avio_printf(pb, "</body>\n");
3102 avio_printf(pb, "</smil>\n");
3104 return update_size(pb, pos);
3107 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
3110 ffio_wfourcc(pb, "mfhd");
3112 avio_wb32(pb, mov->fragments);
3116 static int mov_write_tfhd_tag(AVIOContext *pb, MOVMuxContext *mov,
3117 MOVTrack *track, int64_t moof_offset)
3119 int64_t pos = avio_tell(pb);
3120 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
3121 MOV_TFHD_BASE_DATA_OFFSET;
3122 if (!track->entry) {
3123 flags |= MOV_TFHD_DURATION_IS_EMPTY;
3125 flags |= MOV_TFHD_DEFAULT_FLAGS;
3127 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET)
3128 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
3129 if (mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) {
3130 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
3131 flags |= MOV_TFHD_DEFAULT_BASE_IS_MOOF;
3134 /* Don't set a default sample size, the silverlight player refuses
3135 * to play files with that set. Don't set a default sample duration,
3136 * WMP freaks out if it is set. Don't set a base data offset, PIFF
3137 * file format says it MUST NOT be set. */
3138 if (track->mode == MODE_ISM)
3139 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
3140 MOV_TFHD_BASE_DATA_OFFSET);
3142 avio_wb32(pb, 0); /* size placeholder */
3143 ffio_wfourcc(pb, "tfhd");
3144 avio_w8(pb, 0); /* version */
3145 avio_wb24(pb, flags);
3147 avio_wb32(pb, track->track_id); /* track-id */
3148 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
3149 avio_wb64(pb, moof_offset);
3150 if (flags & MOV_TFHD_DEFAULT_DURATION) {
3151 track->default_duration = get_cluster_duration(track, 0);
3152 avio_wb32(pb, track->default_duration);
3154 if (flags & MOV_TFHD_DEFAULT_SIZE) {
3155 track->default_size = track->entry ? track->cluster[0].size : 1;
3156 avio_wb32(pb, track->default_size);
3158 track->default_size = -1;
3160 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
3161 track->default_sample_flags =
3162 track->enc->codec_type == AVMEDIA_TYPE_VIDEO ?
3163 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
3164 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
3165 avio_wb32(pb, track->default_sample_flags);
3168 return update_size(pb, pos);
3171 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
3173 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
3174 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
3177 static int mov_write_trun_tag(AVIOContext *pb, MOVMuxContext *mov,
3178 MOVTrack *track, int moof_size)
3180 int64_t pos = avio_tell(pb);
3181 uint32_t flags = MOV_TRUN_DATA_OFFSET;
3184 for (i = 0; i < track->entry; i++) {
3185 if (get_cluster_duration(track, i) != track->default_duration)
3186 flags |= MOV_TRUN_SAMPLE_DURATION;
3187 if (track->cluster[i].size != track->default_size)
3188 flags |= MOV_TRUN_SAMPLE_SIZE;
3189 if (i > 0 && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
3190 flags |= MOV_TRUN_SAMPLE_FLAGS;
3192 if (!(flags & MOV_TRUN_SAMPLE_FLAGS))
3193 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
3194 if (track->flags & MOV_TRACK_CTTS)
3195 flags |= MOV_TRUN_SAMPLE_CTS;
3197 avio_wb32(pb, 0); /* size placeholder */
3198 ffio_wfourcc(pb, "trun");
3199 avio_w8(pb, 0); /* version */
3200 avio_wb24(pb, flags);
3202 avio_wb32(pb, track->entry); /* sample count */
3203 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
3204 !(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) &&
3206 avio_wb32(pb, 0); /* Later tracks follow immediately after the previous one */
3208 avio_wb32(pb, moof_size + 8 + track->data_offset +
3209 track->cluster[0].pos); /* data offset */
3210 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
3211 avio_wb32(pb, get_sample_flags(track, &track->cluster[0]));
3213 for (i = 0; i < track->entry; i++) {
3214 if (flags & MOV_TRUN_SAMPLE_DURATION)
3215 avio_wb32(pb, get_cluster_duration(track, i));
3216 if (flags & MOV_TRUN_SAMPLE_SIZE)
3217 avio_wb32(pb, track->cluster[i].size);
3218 if (flags & MOV_TRUN_SAMPLE_FLAGS)
3219 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
3220 if (flags & MOV_TRUN_SAMPLE_CTS)
3221 avio_wb32(pb, track->cluster[i].cts);
3224 mov->first_trun = 0;
3225 return update_size(pb, pos);
3228 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
3230 int64_t pos = avio_tell(pb);
3231 static const uint8_t uuid[] = {
3232 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
3233 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
3236 avio_wb32(pb, 0); /* size placeholder */
3237 ffio_wfourcc(pb, "uuid");
3238 avio_write(pb, uuid, sizeof(uuid));
3241 avio_wb64(pb, track->frag_start);
3242 avio_wb64(pb, track->start_dts + track->track_duration -
3243 track->cluster[0].dts);
3245 return update_size(pb, pos);
3248 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
3249 MOVTrack *track, int entry)
3251 int n = track->nb_frag_info - 1 - entry, i;
3252 int size = 8 + 16 + 4 + 1 + 16*n;
3253 static const uint8_t uuid[] = {
3254 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
3255 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
3261 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
3262 avio_wb32(pb, size);
3263 ffio_wfourcc(pb, "uuid");
3264 avio_write(pb, uuid, sizeof(uuid));
3268 for (i = 0; i < n; i++) {
3269 int index = entry + 1 + i;
3270 avio_wb64(pb, track->frag_info[index].time);
3271 avio_wb64(pb, track->frag_info[index].duration);
3273 if (n < mov->ism_lookahead) {
3274 int free_size = 16 * (mov->ism_lookahead - n);
3275 avio_wb32(pb, free_size);
3276 ffio_wfourcc(pb, "free");
3277 ffio_fill(pb, 0, free_size - 8);
3283 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
3286 int64_t pos = avio_tell(pb);
3288 for (i = 0; i < mov->ism_lookahead; i++) {
3289 /* Update the tfrf tag for the last ism_lookahead fragments,
3290 * nb_frag_info - 1 is the next fragment to be written. */
3291 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
3293 avio_seek(pb, pos, SEEK_SET);
3297 static int mov_write_tfdt_tag(AVIOContext *pb, MOVTrack *track)
3299 int64_t pos = avio_tell(pb);
3301 avio_wb32(pb, 0); /* size */
3302 ffio_wfourcc(pb, "tfdt");
3303 avio_w8(pb, 1); /* version */
3305 avio_wb64(pb, track->frag_start);
3306 return update_size(pb, pos);
3309 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
3310 MOVTrack *track, int64_t moof_offset,
3313 int64_t pos = avio_tell(pb);
3314 avio_wb32(pb, 0); /* size placeholder */
3315 ffio_wfourcc(pb, "traf");
3317 mov_write_tfhd_tag(pb, mov, track, moof_offset);
3318 if (mov->mode != MODE_ISM)
3319 mov_write_tfdt_tag(pb, track);
3320 mov_write_trun_tag(pb, mov, track, moof_size);
3321 if (mov->mode == MODE_ISM) {
3322 mov_write_tfxd_tag(pb, track);
3324 if (mov->ism_lookahead) {
3325 int i, size = 16 + 4 + 1 + 16 * mov->ism_lookahead;
3327 track->tfrf_offset = avio_tell(pb);
3328 avio_wb32(pb, 8 + size);
3329 ffio_wfourcc(pb, "free");
3330 for (i = 0; i < size; i++)
3335 return update_size(pb, pos);
3338 static int mov_write_moof_tag_internal(AVIOContext *pb, MOVMuxContext *mov,
3339 int tracks, int moof_size)
3341 int64_t pos = avio_tell(pb);
3344 avio_wb32(pb, 0); /* size placeholder */
3345 ffio_wfourcc(pb, "moof");
3346 mov->first_trun = 1;
3348 mov_write_mfhd_tag(pb, mov);
3349 for (i = 0; i < mov->nb_streams; i++) {
3350 MOVTrack *track = &mov->tracks[i];
3351 if (tracks >= 0 && i != tracks)
3355 mov_write_traf_tag(pb, mov, track, pos, moof_size);
3358 return update_size(pb, pos);
3361 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
3363 AVIOContext *avio_buf;
3366 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
3368 mov_write_moof_tag_internal(avio_buf, mov, tracks, 0);
3369 moof_size = ffio_close_null_buf(avio_buf);
3370 return mov_write_moof_tag_internal(pb, mov, tracks, moof_size);
3373 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
3375 int64_t pos = avio_tell(pb);
3378 avio_wb32(pb, 0); /* size placeholder */
3379 ffio_wfourcc(pb, "tfra");
3380 avio_w8(pb, 1); /* version */
3383 avio_wb32(pb, track->track_id);
3384 avio_wb32(pb, 0); /* length of traf/trun/sample num */
3385 avio_wb32(pb, track->nb_frag_info);
3386 for (i = 0; i < track->nb_frag_info; i++) {
3387 avio_wb64(pb, track->frag_info[i].time);
3388 avio_wb64(pb, track->frag_info[i].offset);
3389 avio_w8(pb, 1); /* traf number */
3390 avio_w8(pb, 1); /* trun number */
3391 avio_w8(pb, 1); /* sample number */
3394 return update_size(pb, pos);
3397 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
3399 int64_t pos = avio_tell(pb);
3402 avio_wb32(pb, 0); /* size placeholder */
3403 ffio_wfourcc(pb, "mfra");
3404 /* An empty mfra atom is enough to indicate to the publishing point that
3405 * the stream has ended. */
3406 if (mov->flags & FF_MOV_FLAG_ISML)
3407 return update_size(pb, pos);
3409 for (i = 0; i < mov->nb_streams; i++) {
3410 MOVTrack *track = &mov->tracks[i];
3411 if (track->nb_frag_info)
3412 mov_write_tfra_tag(pb, track);
3416 ffio_wfourcc(pb, "mfro");
3417 avio_wb32(pb, 0); /* version + flags */
3418 avio_wb32(pb, avio_tell(pb) + 4 - pos);
3420 return update_size(pb, pos);
3423 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
3425 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
3426 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
3428 mov->mdat_pos = avio_tell(pb);
3429 avio_wb32(pb, 0); /* size placeholder*/
3430 ffio_wfourcc(pb, "mdat");
3434 /* TODO: This needs to be more general */
3435 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
3437 MOVMuxContext *mov = s->priv_data;
3438 int64_t pos = avio_tell(pb);
3439 int has_h264 = 0, has_video = 0;
3443 for (i = 0; i < s->nb_streams; i++) {
3444 AVStream *st = s->streams[i];
3445 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
3447 if (st->codec->codec_id == AV_CODEC_ID_H264)
3451 avio_wb32(pb, 0); /* size */
3452 ffio_wfourcc(pb, "ftyp");
3454 if (mov->major_brand && strlen(mov->major_brand) >= 4)
3455 ffio_wfourcc(pb, mov->major_brand);
3456 else if (mov->mode == MODE_3GP) {
3457 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
3458 minor = has_h264 ? 0x100 : 0x200;
3459 } else if (mov->mode & MODE_3G2) {
3460 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
3461 minor = has_h264 ? 0x20000 : 0x10000;
3462 } else if (mov->mode == MODE_PSP)
3463 ffio_wfourcc(pb, "MSNV");
3464 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
3465 ffio_wfourcc(pb, "iso5"); // Required when using default-base-is-moof
3466 else if (mov->mode == MODE_MP4)
3467 ffio_wfourcc(pb, "isom");
3468 else if (mov->mode == MODE_IPOD)
3469 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
3470 else if (mov->mode == MODE_ISM)
3471 ffio_wfourcc(pb, "isml");
3472 else if (mov->mode == MODE_F4V)
3473 ffio_wfourcc(pb, "f4v ");
3475 ffio_wfourcc(pb, "qt ");
3477 avio_wb32(pb, minor);
3479 if (mov->mode == MODE_MOV)
3480 ffio_wfourcc(pb, "qt ");
3481 else if (mov->mode == MODE_ISM) {
3482 ffio_wfourcc(pb, "piff");
3483 } else if (!(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)) {
3484 ffio_wfourcc(pb, "isom");
3485 ffio_wfourcc(pb, "iso2");
3487 ffio_wfourcc(pb, "avc1");
3490 // We add tfdt atoms when fragmenting, signal this with the iso6 compatible
3491 // brand. This is compatible with users that don't understand tfdt.
3492 if (mov->flags & FF_MOV_FLAG_FRAGMENT && mov->mode != MODE_ISM)
3493 ffio_wfourcc(pb, "iso6");
3495 if (mov->mode == MODE_3GP)
3496 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
3497 else if (mov->mode & MODE_3G2)
3498 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
3499 else if (mov->mode == MODE_PSP)
3500 ffio_wfourcc(pb, "MSNV");
3501 else if (mov->mode == MODE_MP4)
3502 ffio_wfourcc(pb, "mp41");
3503 return update_size(pb, pos);
3506 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
3508 AVStream *video_st = s->streams[0];
3509 AVCodecContext *video_codec = s->streams[0]->codec;
3510 AVCodecContext *audio_codec = s->streams[1]->codec;
3511 int audio_rate = audio_codec->sample_rate;
3512 // TODO: should be avg_frame_rate
3513 int frame_rate = ((video_st->time_base.den) * (0x10000)) / (video_st->time_base.num);
3514 int audio_kbitrate = audio_codec->bit_rate / 1000;
3515 int video_kbitrate = FFMIN(video_codec->bit_rate / 1000, 800 - audio_kbitrate);
3517 avio_wb32(pb, 0x94); /* size */
3518 ffio_wfourcc(pb, "uuid");
3519 ffio_wfourcc(pb, "PROF");
3521 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
3522 avio_wb32(pb, 0xbb88695c);
3523 avio_wb32(pb, 0xfac9c740);
3525 avio_wb32(pb, 0x0); /* ? */
3526 avio_wb32(pb, 0x3); /* 3 sections ? */
3528 avio_wb32(pb, 0x14); /* size */
3529 ffio_wfourcc(pb, "FPRF");
3530 avio_wb32(pb, 0x0); /* ? */
3531 avio_wb32(pb, 0x0); /* ? */
3532 avio_wb32(pb, 0x0); /* ? */
3534 avio_wb32(pb, 0x2c); /* size */
3535 ffio_wfourcc(pb, "APRF"); /* audio */
3537 avio_wb32(pb, 0x2); /* TrackID */
3538 ffio_wfourcc(pb, "mp4a");
3539 avio_wb32(pb, 0x20f);
3541 avio_wb32(pb, audio_kbitrate);
3542 avio_wb32(pb, audio_kbitrate);
3543 avio_wb32(pb, audio_rate);
3544 avio_wb32(pb, audio_codec->channels);
3546 avio_wb32(pb, 0x34); /* size */
3547 ffio_wfourcc(pb, "VPRF"); /* video */
3549 avio_wb32(pb, 0x1); /* TrackID */
3550 if (video_codec->codec_id == AV_CODEC_ID_H264) {
3551 ffio_wfourcc(pb, "avc1");
3552 avio_wb16(pb, 0x014D);
3553 avio_wb16(pb, 0x0015);
3555 ffio_wfourcc(pb, "mp4v");
3556 avio_wb16(pb, 0x0000);
3557 avio_wb16(pb, 0x0103);
3560 avio_wb32(pb, video_kbitrate);
3561 avio_wb32(pb, video_kbitrate);
3562 avio_wb32(pb, frame_rate);
3563 avio_wb32(pb, frame_rate);
3564 avio_wb16(pb, video_codec->width);
3565 avio_wb16(pb, video_codec->height);
3566 avio_wb32(pb, 0x010001); /* ? */
3569 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
3572 int i, closed_gop = 0;
3574 for (i = 0; i < pkt->size - 4; i++) {
3575 c = (c << 8) + pkt->data[i];
3576 if (c == 0x1b8) { // gop
3577 closed_gop = pkt->data[i + 4] >> 6 & 0x01;
3578 } else if (c == 0x100) { // pic
3579 int temp_ref = (pkt->data[i + 1] << 2) | (pkt->data[i + 2] >> 6);
3580 if (!temp_ref || closed_gop) // I picture is not reordered
3581 *flags = MOV_SYNC_SAMPLE;
3583 *flags = MOV_PARTIAL_SYNC_SAMPLE;
3590 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk, int fragment)
3592 const uint8_t *start, *next, *end = pkt->data + pkt->size;
3593 int seq = 0, entry = 0;
3594 int key = pkt->flags & AV_PKT_FLAG_KEY;
3595 start = find_next_marker(pkt->data, end);
3596 for (next = start; next < end; start = next) {
3597 next = find_next_marker(start + 4, end);
3598 switch (AV_RB32(start)) {
3599 case VC1_CODE_SEQHDR:
3602 case VC1_CODE_ENTRYPOINT:
3605 case VC1_CODE_SLICE:
3606 trk->vc1_info.slices = 1;
3610 if (!trk->entry && !fragment) {
3611 /* First packet in first fragment */
3612 trk->vc1_info.first_packet_seq = seq;
3613 trk->vc1_info.first_packet_entry = entry;
3614 } else if ((seq && !trk->vc1_info.packet_seq) ||
3615 (entry && !trk->vc1_info.packet_entry)) {
3617 for (i = 0; i < trk->entry; i++)
3618 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
3619 trk->has_keyframes = 0;
3621 trk->vc1_info.packet_seq = 1;
3623 trk->vc1_info.packet_entry = 1;
3625 /* First fragment */
3626 if ((!seq || trk->vc1_info.first_packet_seq) &&
3627 (!entry || trk->vc1_info.first_packet_entry)) {
3628 /* First packet had the same headers as this one, readd the
3629 * sync sample flag. */
3630 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
3631 trk->has_keyframes = 1;
3635 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
3637 else if (trk->vc1_info.packet_seq)
3639 else if (trk->vc1_info.packet_entry)
3642 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
3643 trk->has_keyframes++;
3647 static int mov_flush_fragment(AVFormatContext *s)
3649 MOVMuxContext *mov = s->priv_data;
3650 int i, first_track = -1;
3651 int64_t mdat_size = 0;
3653 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
3656 if (!(mov->flags & FF_MOV_FLAG_EMPTY_MOOV) && mov->fragments == 0) {
3657 int64_t pos = avio_tell(s->pb);
3659 int buf_size, moov_size;
3661 for (i = 0; i < mov->nb_streams; i++)
3662 if (!mov->tracks[i].entry)
3664 /* Don't write the initial moov unless all tracks have data */
3665 if (i < mov->nb_streams)
3668 moov_size = get_moov_size(s);
3669 for (i = 0; i < mov->nb_streams; i++)
3670 mov->tracks[i].data_offset = pos + moov_size + 8;
3672 mov_write_moov_tag(s->pb, mov, s);
3674 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
3675 mov->mdat_buf = NULL;
3676 avio_wb32(s->pb, buf_size + 8);
3677 ffio_wfourcc(s->pb, "mdat");
3678 avio_write(s->pb, buf, buf_size);
3683 for (i = 0; i < mov->nb_streams; i++) {
3684 if (mov->tracks[i].entry)
3685 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
3686 mov->tracks[i].track_duration -
3687 mov->tracks[i].cluster[0].dts;
3688 mov->tracks[i].entry = 0;
3694 for (i = 0; i < mov->nb_streams; i++) {
3695 MOVTrack *track = &mov->tracks[i];
3696 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF)
3697 track->data_offset = 0;
3699 track->data_offset = mdat_size;
3700 if (!track->mdat_buf)
3702 mdat_size += avio_tell(track->mdat_buf);
3703 if (first_track < 0)
3710 for (i = 0; i < mov->nb_streams; i++) {
3711 MOVTrack *track = &mov->tracks[i];
3712 int buf_size, write_moof = 1, moof_tracks = -1;
3714 int64_t duration = 0;
3717 duration = track->start_dts + track->track_duration -
3718 track->cluster[0].dts;
3719 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
3720 if (!track->mdat_buf)
3722 mdat_size = avio_tell(track->mdat_buf);
3725 write_moof = i == first_track;
3729 MOVFragmentInfo *info;
3731 track->nb_frag_info++;
3732 if (track->nb_frag_info >= track->frag_info_capacity) {
3733 unsigned new_capacity = track->nb_frag_info + MOV_FRAG_INFO_ALLOC_INCREMENT;
3734 if (av_reallocp_array(&track->frag_info,
3736 sizeof(*track->frag_info)))
3737 return AVERROR(ENOMEM);
3738 track->frag_info_capacity = new_capacity;
3740 info = &track->frag_info[track->nb_frag_info - 1];
3741 info->offset = avio_tell(s->pb);
3742 info->time = track->frag_start;
3744 // Try to recreate the original pts for the first packet
3745 // from the fields we have stored
3746 info->time = track->start_dts + track->frag_start +
3747 track->cluster[0].cts;
3748 // If the pts is less than zero, we will have trimmed
3749 // away parts of the media track using an edit list,
3750 // and the corresponding start presentation time is zero.
3754 info->duration = duration;
3755 mov_write_tfrf_tags(s->pb, mov, track);
3757 mov_write_moof_tag(s->pb, mov, moof_tracks);
3758 info->tfrf_offset = track->tfrf_offset;
3761 avio_wb32(s->pb, mdat_size + 8);
3762 ffio_wfourcc(s->pb, "mdat");
3766 track->frag_start += duration;
3768 if (!track->mdat_buf)
3770 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
3771 track->mdat_buf = NULL;
3773 avio_write(s->pb, buf, buf_size);
3783 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
3785 MOVMuxContext *mov = s->priv_data;
3786 AVIOContext *pb = s->pb;
3787 MOVTrack *trk = &mov->tracks[pkt->stream_index];
3788 AVCodecContext *enc = trk->enc;
3789 unsigned int samples_in_chunk = 0;
3790 int size = pkt->size, ret = 0;
3791 uint8_t *reformatted_data = NULL;
3794 int64_t duration = pkt->dts - trk->cluster[trk->entry - 1].dts;
3795 if (duration < 0 || duration > INT_MAX) {
3796 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" / timestamp: %"PRId64" is out of range for mov/mp4 format\n",
3800 pkt->dts = trk->cluster[trk->entry - 1].dts + 1;
3801 pkt->pts = AV_NOPTS_VALUE;
3803 if (pkt->duration < 0) {
3804 av_log(s, AV_LOG_ERROR, "Application provided duration: %d is invalid\n", pkt->duration);
3805 return AVERROR(EINVAL);
3808 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
3810 if (mov->fragments > 0) {
3811 if (!trk->mdat_buf) {
3812 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
3817 if (!mov->mdat_buf) {
3818 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
3825 if (enc->codec_id == AV_CODEC_ID_AMR_NB) {
3826 /* We must find out how many AMR blocks there are in one packet */
3827 static uint16_t packed_size[16] =
3828 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
3831 while (len < size && samples_in_chunk < 100) {
3832 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
3835 if (samples_in_chunk > 1) {
3836 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
3839 } else if (enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
3840 enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
3841 samples_in_chunk = enc->frame_size;
3842 } else if (trk->sample_size)
3843 samples_in_chunk = size / trk->sample_size;
3845 samples_in_chunk = 1;
3847 /* copy extradata if it exists */
3848 if (trk->vos_len == 0 && enc->extradata_size > 0 && !TAG_IS_AVCI(trk->tag)) {
3849 trk->vos_len = enc->extradata_size;
3850 trk->vos_data = av_malloc(trk->vos_len);
3851 memcpy(trk->vos_data, enc->extradata, trk->vos_len);
3854 if (enc->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 &&
3855 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
3856 if (!s->streams[pkt->stream_index]->nb_frames) {
3857 av_log(s, AV_LOG_ERROR, "Malformed AAC bitstream detected: "
3858 "use the audio bitstream filter 'aac_adtstoasc' to fix it "
3859 "('-bsf:a aac_adtstoasc' option with ffmpeg)\n");
3862 av_log(s, AV_LOG_WARNING, "aac bitstream error\n");
3864 if (enc->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1 && !TAG_IS_AVCI(trk->tag)) {
3865 /* from x264 or from bytestream h264 */
3866 /* nal reformating needed */
3867 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
3868 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
3870 avio_write(pb, reformatted_data, size);
3872 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
3874 } else if (enc->codec_id == AV_CODEC_ID_HEVC && trk->vos_len > 6 &&
3875 (AV_RB24(trk->vos_data) == 1 || AV_RB32(trk->vos_data) == 1)) {
3876 /* extradata is Annex B, assume the bitstream is too and convert it */
3877 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
3878 ff_hevc_annexb2mp4_buf(pkt->data, &reformatted_data, &size, 0, NULL);
3879 avio_write(pb, reformatted_data, size);
3881 size = ff_hevc_annexb2mp4(pb, pkt->data, pkt->size, 0, NULL);
3883 } else if (enc->codec_id == AV_CODEC_ID_EAC3) {
3884 size = handle_eac3(mov, pkt, trk);
3889 avio_write(pb, pkt->data, size);
3891 avio_write(pb, pkt->data, size);
3894 if ((enc->codec_id == AV_CODEC_ID_DNXHD ||
3895 enc->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len) {
3896 /* copy frame to create needed atoms */
3897 trk->vos_len = size;
3898 trk->vos_data = av_malloc(size);
3899 if (!trk->vos_data) {
3900 ret = AVERROR(ENOMEM);
3903 memcpy(trk->vos_data, pkt->data, size);
3906 if (trk->entry >= trk->cluster_capacity) {
3907 unsigned new_capacity = 2 * (trk->entry + MOV_INDEX_CLUSTER_SIZE);
3908 if (av_reallocp_array(&trk->cluster, new_capacity,
3909 sizeof(*trk->cluster))) {
3910 ret = AVERROR(ENOMEM);
3913 trk->cluster_capacity = new_capacity;
3916 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
3917 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
3918 trk->cluster[trk->entry].chunkNum = 0;
3919 trk->cluster[trk->entry].size = size;
3920 trk->cluster[trk->entry].entries = samples_in_chunk;
3921 trk->cluster[trk->entry].dts = pkt->dts;
3922 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
3923 /* First packet of a new fragment. We already wrote the duration
3924 * of the last packet of the previous fragment based on track_duration,
3925 * which might not exactly match our dts. Therefore adjust the dts
3926 * of this packet to be what the previous packets duration implies. */
3927 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
3930 if (!trk->entry && trk->start_dts == AV_NOPTS_VALUE && !mov->use_editlist &&
3931 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO) {
3932 /* Not using edit lists and shifting the first track to start from zero.
3933 * If the other streams start from a later timestamp, we won't be able
3934 * to signal the difference in starting time without an edit list.
3935 * Thus move the timestamp for this first sample to 0, increasing
3936 * its duration instead. */
3937 trk->cluster[trk->entry].dts = trk->start_dts = 0;
3939 if (trk->start_dts == AV_NOPTS_VALUE) {
3940 trk->start_dts = pkt->dts;
3941 if (pkt->dts && mov->flags & FF_MOV_FLAG_EMPTY_MOOV)
3942 av_log(s, AV_LOG_WARNING,
3943 "Track %d starts with a nonzero dts %"PRId64". This "
3944 "currently isn't handled correctly in combination with "
3945 "empty_moov.\n", pkt->stream_index, pkt->dts);
3947 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
3948 trk->last_sample_is_subtitle_end = 0;
3950 if (pkt->pts == AV_NOPTS_VALUE) {
3951 av_log(s, AV_LOG_WARNING, "pts has no value\n");
3952 pkt->pts = pkt->dts;
3954 if (pkt->dts != pkt->pts)
3955 trk->flags |= MOV_TRACK_CTTS;
3956 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
3957 trk->cluster[trk->entry].flags = 0;
3958 if (enc->codec_id == AV_CODEC_ID_VC1) {
3959 mov_parse_vc1_frame(pkt, trk, mov->fragments);
3960 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
3961 if (mov->mode == MODE_MOV && enc->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
3962 trk->entry > 0) { // force sync sample for the first key frame
3963 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
3964 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
3965 trk->flags |= MOV_TRACK_STPS;
3967 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
3969 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
3970 trk->has_keyframes++;
3973 trk->sample_count += samples_in_chunk;
3974 mov->mdat_size += size;
3976 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
3977 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
3978 reformatted_data, size);
3983 av_free(reformatted_data);
3987 static int mov_write_single_packet(AVFormatContext *s, AVPacket *pkt)
3989 MOVMuxContext *mov = s->priv_data;
3990 MOVTrack *trk = &mov->tracks[pkt->stream_index];
3991 AVCodecContext *enc = trk->enc;
3992 int64_t frag_duration = 0;
3993 int size = pkt->size;
3996 return 0; /* Discard 0 sized packets */
3998 if (trk->entry && pkt->stream_index < s->nb_streams)
3999 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
4000 s->streams[pkt->stream_index]->time_base,
4002 if ((mov->max_fragment_duration &&
4003 frag_duration >= mov->max_fragment_duration) ||
4004 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
4005 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
4006 enc->codec_type == AVMEDIA_TYPE_VIDEO &&
4007 trk->entry && pkt->flags & AV_PKT_FLAG_KEY)) {
4008 if (frag_duration >= mov->min_fragment_duration)
4009 mov_flush_fragment(s);
4012 return ff_mov_write_packet(s, pkt);
4015 static int mov_write_subtitle_end_packet(AVFormatContext *s,
4019 uint8_t data[2] = {0};
4022 av_init_packet(&end);
4023 end.size = sizeof(data);
4028 end.stream_index = stream_index;
4030 ret = mov_write_single_packet(s, &end);
4031 av_free_packet(&end);
4036 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
4039 mov_flush_fragment(s);
4043 MOVMuxContext *mov = s->priv_data;
4045 if (!pkt->size) return 0; /* Discard 0 sized packets */
4048 * Subtitles require special handling.
4050 * 1) For full complaince, every track must have a sample at
4051 * dts == 0, which is rarely true for subtitles. So, as soon
4052 * as we see any packet with dts > 0, write an empty subtitle
4053 * at dts == 0 for any subtitle track with no samples in it.
4055 * 2) For each subtitle track, check if the current packet's
4056 * dts is past the duration of the last subtitle sample. If
4057 * so, we now need to write an end sample for that subtitle.
4059 * This must be done conditionally to allow for subtitles that
4060 * immediately replace each other, in which case an end sample
4061 * is not needed, and is, in fact, actively harmful.
4063 * 3) See mov_write_trailer for how the final end sample is
4066 for (i = 0; i < mov->nb_streams; i++) {
4067 MOVTrack *trk = &mov->tracks[i];
4070 if (trk->enc->codec_id == AV_CODEC_ID_MOV_TEXT &&
4071 trk->track_duration < pkt->dts &&
4072 (trk->entry == 0 || !trk->last_sample_is_subtitle_end)) {
4073 ret = mov_write_subtitle_end_packet(s, i, trk->track_duration);
4074 if (ret < 0) return ret;
4075 trk->last_sample_is_subtitle_end = 1;
4079 return mov_write_single_packet(s, pkt);
4083 // QuickTime chapters involve an additional text track with the chapter names
4084 // as samples, and a tref pointing from the other tracks to the chapter one.
4085 static int mov_create_chapter_track(AVFormatContext *s, int tracknum)
4089 MOVMuxContext *mov = s->priv_data;
4090 MOVTrack *track = &mov->tracks[tracknum];
4091 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
4094 track->mode = mov->mode;
4095 track->tag = MKTAG('t','e','x','t');
4096 track->timescale = MOV_TIMESCALE;
4097 track->enc = avcodec_alloc_context3(NULL);
4099 return AVERROR(ENOMEM);
4100 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
4102 // These properties are required to make QT recognize the chapter track
4103 uint8_t chapter_properties[43] = { 0, 0, 0, 0, 0, 0, 0, 1, };
4104 if (ff_alloc_extradata(track->enc, sizeof(chapter_properties)))
4105 return AVERROR(ENOMEM);
4106 memcpy(track->enc->extradata, chapter_properties, sizeof(chapter_properties));
4108 if (avio_open_dyn_buf(&pb) >= 0) {
4112 /* Stub header (usually for Quicktime chapter track) */
4114 avio_wb32(pb, 0x01); // displayFlags
4115 avio_w8(pb, 0x00); // horizontal justification
4116 avio_w8(pb, 0x00); // vertical justification
4117 avio_w8(pb, 0x00); // bgColourRed
4118 avio_w8(pb, 0x00); // bgColourGreen
4119 avio_w8(pb, 0x00); // bgColourBlue
4120 avio_w8(pb, 0x00); // bgColourAlpha
4122 avio_wb16(pb, 0x00); // defTextBoxTop
4123 avio_wb16(pb, 0x00); // defTextBoxLeft
4124 avio_wb16(pb, 0x00); // defTextBoxBottom
4125 avio_wb16(pb, 0x00); // defTextBoxRight
4127 avio_wb16(pb, 0x00); // startChar
4128 avio_wb16(pb, 0x00); // endChar
4129 avio_wb16(pb, 0x01); // fontID
4130 avio_w8(pb, 0x00); // fontStyleFlags
4131 avio_w8(pb, 0x00); // fontSize
4132 avio_w8(pb, 0x00); // fgColourRed
4133 avio_w8(pb, 0x00); // fgColourGreen
4134 avio_w8(pb, 0x00); // fgColourBlue
4135 avio_w8(pb, 0x00); // fgColourAlpha
4137 avio_wb32(pb, 0x0D); // box size
4138 ffio_wfourcc(pb, "ftab"); // box atom name
4139 avio_wb16(pb, 0x01); // entry count
4141 avio_wb16(pb, 0x01); // font ID
4142 avio_w8(pb, 0x00); // font name length
4144 if ((size = avio_close_dyn_buf(pb, &buf)) > 0) {
4145 track->enc->extradata = buf;
4146 track->enc->extradata_size = size;
4153 for (i = 0; i < s->nb_chapters; i++) {
4154 AVChapter *c = s->chapters[i];
4155 AVDictionaryEntry *t;
4157 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
4158 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
4159 pkt.duration = end - pkt.dts;
4161 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
4162 const char encd[12] = {
4163 0x00, 0x00, 0x00, 0x0C,
4165 0x00, 0x00, 0x01, 0x00 };
4166 len = strlen(t->value);
4167 pkt.size = len + 2 + 12;
4168 pkt.data = av_malloc(pkt.size);
4170 return AVERROR(ENOMEM);
4171 AV_WB16(pkt.data, len);
4172 memcpy(pkt.data + 2, t->value, len);
4173 memcpy(pkt.data + len + 2, encd, sizeof(encd));
4174 ff_mov_write_packet(s, &pkt);
4175 av_freep(&pkt.data);
4182 static int mov_create_timecode_track(AVFormatContext *s, int index, int src_index, const char *tcstr)
4185 MOVMuxContext *mov = s->priv_data;
4186 MOVTrack *track = &mov->tracks[index];
4187 AVStream *src_st = s->streams[src_index];
4189 AVPacket pkt = {.stream_index = index, .flags = AV_PKT_FLAG_KEY, .size = 4};
4190 AVRational rate = find_fps(s, src_st);
4192 /* compute the frame number */
4193 ret = av_timecode_init_from_string(&tc, rate, tcstr, s);
4197 /* tmcd track based on video stream */
4198 track->mode = mov->mode;
4199 track->tag = MKTAG('t','m','c','d');
4200 track->src_track = src_index;
4201 track->timescale = mov->tracks[src_index].timescale;
4202 if (tc.flags & AV_TIMECODE_FLAG_DROPFRAME)
4203 track->timecode_flags |= MOV_TIMECODE_FLAG_DROPFRAME;
4205 /* set st to src_st for metadata access*/
4208 /* encode context: tmcd data stream */
4209 track->enc = avcodec_alloc_context3(NULL);
4210 track->enc->codec_type = AVMEDIA_TYPE_DATA;
4211 track->enc->codec_tag = track->tag;
4212 track->enc->time_base = av_inv_q(rate);
4214 /* the tmcd track just contains one packet with the frame number */
4215 pkt.data = av_malloc(pkt.size);
4216 AV_WB32(pkt.data, tc.start);
4217 ret = ff_mov_write_packet(s, &pkt);
4223 * st->disposition controls the "enabled" flag in the tkhd tag.
4224 * QuickTime will not play a track if it is not enabled. So make sure
4225 * that one track of each type (audio, video, subtitle) is enabled.
4227 * Subtitles are special. For audio and video, setting "enabled" also
4228 * makes the track "default" (i.e. it is rendered when played). For
4229 * subtitles, an "enabled" subtitle is not rendered by default, but
4230 * if no subtitle is enabled, the subtitle menu in QuickTime will be
4233 static void enable_tracks(AVFormatContext *s)
4235 MOVMuxContext *mov = s->priv_data;
4237 int enabled[AVMEDIA_TYPE_NB];
4238 int first[AVMEDIA_TYPE_NB];
4240 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
4245 for (i = 0; i < s->nb_streams; i++) {
4246 AVStream *st = s->streams[i];
4248 if (st->codec->codec_type <= AVMEDIA_TYPE_UNKNOWN ||
4249 st->codec->codec_type >= AVMEDIA_TYPE_NB)
4252 if (first[st->codec->codec_type] < 0)
4253 first[st->codec->codec_type] = i;
4254 if (st->disposition & AV_DISPOSITION_DEFAULT) {
4255 mov->tracks[i].flags |= MOV_TRACK_ENABLED;
4256 enabled[st->codec->codec_type]++;
4260 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
4262 case AVMEDIA_TYPE_VIDEO:
4263 case AVMEDIA_TYPE_AUDIO:
4264 case AVMEDIA_TYPE_SUBTITLE:
4266 mov->per_stream_grouping = 1;
4267 if (!enabled[i] && first[i] >= 0)
4268 mov->tracks[first[i]].flags |= MOV_TRACK_ENABLED;
4274 static void mov_free(AVFormatContext *s)
4276 MOVMuxContext *mov = s->priv_data;
4279 if (mov->chapter_track) {
4280 if (mov->tracks[mov->chapter_track].enc)
4281 av_freep(&mov->tracks[mov->chapter_track].enc->extradata);
4282 av_freep(&mov->tracks[mov->chapter_track].enc);
4285 for (i = 0; i < mov->nb_streams; i++) {
4286 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
4287 ff_mov_close_hinting(&mov->tracks[i]);
4288 else if (mov->tracks[i].tag == MKTAG('t','m','c','d') && mov->nb_meta_tmcd)
4289 av_freep(&mov->tracks[i].enc);
4290 av_freep(&mov->tracks[i].cluster);
4291 av_freep(&mov->tracks[i].frag_info);
4293 if (mov->tracks[i].vos_len)
4294 av_freep(&mov->tracks[i].vos_data);
4297 av_freep(&mov->tracks);
4300 static uint32_t rgb_to_yuv(uint32_t rgb)
4305 r = (rgb >> 16) & 0xFF;
4306 g = (rgb >> 8) & 0xFF;
4309 y = av_clip_uint8( 16. + 0.257 * r + 0.504 * g + 0.098 * b);
4310 cb = av_clip_uint8(128. - 0.148 * r - 0.291 * g + 0.439 * b);
4311 cr = av_clip_uint8(128. + 0.439 * r - 0.368 * g - 0.071 * b);
4313 return (y << 16) | (cr << 8) | cb;
4316 static int mov_create_dvd_sub_decoder_specific_info(MOVTrack *track,
4319 int i, width = 720, height = 480;
4320 int have_palette = 0, have_size = 0;
4321 uint32_t palette[16];
4322 char *cur = st->codec->extradata;
4324 while (cur && *cur) {
4325 if (strncmp("palette:", cur, 8) == 0) {
4327 count = sscanf(cur + 8,
4328 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
4329 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
4330 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
4331 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32"",
4332 &palette[ 0], &palette[ 1], &palette[ 2], &palette[ 3],
4333 &palette[ 4], &palette[ 5], &palette[ 6], &palette[ 7],
4334 &palette[ 8], &palette[ 9], &palette[10], &palette[11],
4335 &palette[12], &palette[13], &palette[14], &palette[15]);
4337 for (i = 0; i < count; i++) {
4338 palette[i] = rgb_to_yuv(palette[i]);
4341 } else if (!strncmp("size:", cur, 5)) {
4342 sscanf(cur + 5, "%dx%d", &width, &height);
4345 if (have_palette && have_size)
4347 cur += strcspn(cur, "\n\r");
4348 cur += strspn(cur, "\n\r");
4351 track->vos_data = av_malloc(16*4);
4352 if (!track->vos_data)
4353 return AVERROR(ENOMEM);
4354 for (i = 0; i < 16; i++) {
4355 AV_WB32(track->vos_data + i * 4, palette[i]);
4357 track->vos_len = 16 * 4;
4359 st->codec->width = width;
4360 st->codec->height = track->height = height;
4365 static int mov_write_header(AVFormatContext *s)
4367 AVIOContext *pb = s->pb;
4368 MOVMuxContext *mov = s->priv_data;
4369 AVDictionaryEntry *t, *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
4370 int i, ret, hint_track = 0, tmcd_track = 0;
4374 /* Default mode == MP4 */
4375 mov->mode = MODE_MP4;
4378 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
4379 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
4380 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
4381 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
4382 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
4383 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
4384 else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V;
4387 if (s->flags & AVFMT_FLAG_BITEXACT)
4390 /* Set the FRAGMENT flag if any of the fragmentation methods are
4392 if (mov->max_fragment_duration || mov->max_fragment_size ||
4393 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
4394 FF_MOV_FLAG_FRAG_KEYFRAME |
4395 FF_MOV_FLAG_FRAG_CUSTOM))
4396 mov->flags |= FF_MOV_FLAG_FRAGMENT;
4398 /* Set other implicit flags immediately */
4399 if (mov->mode == MODE_ISM)
4400 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
4401 FF_MOV_FLAG_FRAGMENT;
4403 /* faststart: moov at the beginning of the file, if supported */
4404 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
4405 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
4406 av_log(s, AV_LOG_WARNING, "The faststart flag is incompatible "
4407 "with fragmentation, disabling faststart\n");
4408 mov->flags &= ~FF_MOV_FLAG_FASTSTART;
4410 mov->reserved_moov_size = -1;
4413 if (mov->use_editlist < 0) {
4414 mov->use_editlist = 1;
4415 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
4416 // If we can avoid needing an edit list by shifting the
4417 // tracks, prefer that over (trying to) write edit lists
4418 // in fragmented output.
4419 if (s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO ||
4420 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO)
4421 mov->use_editlist = 0;
4424 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV && mov->use_editlist)
4425 av_log(s, AV_LOG_WARNING, "No meaningful edit list will be written when using empty_moov\n");
4427 if (!mov->use_editlist && s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO)
4428 s->avoid_negative_ts = AVFMT_AVOID_NEG_TS_MAKE_ZERO;
4430 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
4431 * is enabled, we don't support non-seekable output at all. */
4432 if (!s->pb->seekable &&
4433 (!(mov->flags & FF_MOV_FLAG_FRAGMENT) || mov->ism_lookahead)) {
4434 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
4435 return AVERROR(EINVAL);
4438 mov_write_ftyp_tag(pb,s);
4439 if (mov->mode == MODE_PSP) {
4440 int video_streams_nb = 0, audio_streams_nb = 0, other_streams_nb = 0;
4441 for (i = 0; i < s->nb_streams; i++) {
4442 AVStream *st = s->streams[i];
4443 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
4445 else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
4451 if (video_streams_nb != 1 || audio_streams_nb != 1 || other_streams_nb) {
4452 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
4453 return AVERROR(EINVAL);
4455 mov_write_uuidprof_tag(pb, s);
4458 mov->nb_streams = s->nb_streams;
4459 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
4460 mov->chapter_track = mov->nb_streams++;
4462 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
4463 /* Add hint tracks for each audio and video stream */
4464 hint_track = mov->nb_streams;
4465 for (i = 0; i < s->nb_streams; i++) {
4466 AVStream *st = s->streams[i];
4467 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
4468 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
4474 if (mov->mode == MODE_MOV) {
4475 tmcd_track = mov->nb_streams;
4477 /* +1 tmcd track for each video stream with a timecode */
4478 for (i = 0; i < s->nb_streams; i++) {
4479 AVStream *st = s->streams[i];
4480 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
4481 (global_tcr || av_dict_get(st->metadata, "timecode", NULL, 0)))
4482 mov->nb_meta_tmcd++;
4485 /* check if there is already a tmcd track to remux */
4486 if (mov->nb_meta_tmcd) {
4487 for (i = 0; i < s->nb_streams; i++) {
4488 AVStream *st = s->streams[i];
4489 if (st->codec->codec_tag == MKTAG('t','m','c','d')) {
4490 av_log(s, AV_LOG_WARNING, "You requested a copy of the original timecode track "
4491 "so timecode metadata are now ignored\n");
4492 mov->nb_meta_tmcd = 0;
4497 mov->nb_streams += mov->nb_meta_tmcd;
4500 // Reserve an extra stream for chapters for the case where chapters
4501 // are written in the trailer
4502 mov->tracks = av_mallocz_array((mov->nb_streams + 1), sizeof(*mov->tracks));
4504 return AVERROR(ENOMEM);
4506 for (i = 0; i < s->nb_streams; i++) {
4507 AVStream *st= s->streams[i];
4508 MOVTrack *track= &mov->tracks[i];
4509 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
4512 track->enc = st->codec;
4513 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
4514 if (track->language < 0)
4515 track->language = 0;
4516 track->mode = mov->mode;
4517 track->tag = mov_find_codec_tag(s, track);
4519 av_log(s, AV_LOG_ERROR, "Could not find tag for codec %s in stream #%d, "
4520 "codec not currently supported in container\n",
4521 avcodec_get_name(st->codec->codec_id), i);
4522 ret = AVERROR(EINVAL);
4525 /* If hinting of this track is enabled by a later hint track,
4526 * this is updated. */
4527 track->hint_track = -1;
4528 track->start_dts = AV_NOPTS_VALUE;
4529 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
4530 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
4531 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
4532 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
4533 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
4534 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
4535 ret = AVERROR(EINVAL);
4538 track->height = track->tag >> 24 == 'n' ? 486 : 576;
4540 if (mov->video_track_timescale) {
4541 track->timescale = mov->video_track_timescale;
4543 track->timescale = st->time_base.den;
4544 while(track->timescale < 10000)
4545 track->timescale *= 2;
4547 if (st->codec->width > 65535 || st->codec->height > 65535) {
4548 av_log(s, AV_LOG_ERROR, "Resolution %dx%d too large for mov/mp4\n", st->codec->width, st->codec->height);
4549 ret = AVERROR(EINVAL);
4552 if (track->mode == MODE_MOV && track->timescale > 100000)
4553 av_log(s, AV_LOG_WARNING,
4554 "WARNING codec timebase is very high. If duration is too long,\n"
4555 "file may not be playable by quicktime. Specify a shorter timebase\n"
4556 "or choose different container.\n");
4557 } else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
4558 track->timescale = st->codec->sample_rate;
4559 if (!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
4560 av_log(s, AV_LOG_WARNING, "track %d: codec frame size is not set\n", i);
4561 track->audio_vbr = 1;
4562 }else if (st->codec->codec_id == AV_CODEC_ID_ADPCM_MS ||
4563 st->codec->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
4564 st->codec->codec_id == AV_CODEC_ID_ILBC){
4565 if (!st->codec->block_align) {
4566 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
4567 ret = AVERROR(EINVAL);
4570 track->sample_size = st->codec->block_align;
4571 }else if (st->codec->frame_size > 1){ /* assume compressed audio */
4572 track->audio_vbr = 1;
4574 track->sample_size = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
4576 if (st->codec->codec_id == AV_CODEC_ID_ILBC ||
4577 st->codec->codec_id == AV_CODEC_ID_ADPCM_IMA_QT) {
4578 track->audio_vbr = 1;
4580 if (track->mode != MODE_MOV &&
4581 track->enc->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) {
4582 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
4583 i, track->enc->sample_rate);
4584 ret = AVERROR(EINVAL);
4587 } else if (st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
4588 track->timescale = st->time_base.den;
4589 } else if (st->codec->codec_type == AVMEDIA_TYPE_DATA) {
4590 track->timescale = st->time_base.den;
4592 track->timescale = MOV_TIMESCALE;
4595 track->height = st->codec->height;
4596 /* The ism specific timescale isn't mandatory, but is assumed by
4597 * some tools, such as mp4split. */
4598 if (mov->mode == MODE_ISM)
4599 track->timescale = 10000000;
4601 avpriv_set_pts_info(st, 64, 1, track->timescale);
4603 /* copy extradata if it exists */
4604 if (st->codec->extradata_size) {
4605 if (st->codec->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
4606 mov_create_dvd_sub_decoder_specific_info(track, st);
4607 else if (!TAG_IS_AVCI(track->tag)){
4608 track->vos_len = st->codec->extradata_size;
4609 track->vos_data = av_malloc(track->vos_len);
4610 memcpy(track->vos_data, st->codec->extradata, track->vos_len);
4615 for (i = 0; i < s->nb_streams; i++) {
4617 AVStream *st= s->streams[i];
4618 MOVTrack *track= &mov->tracks[i];
4620 if (st->codec->codec_type != AVMEDIA_TYPE_AUDIO ||
4621 track->enc->channel_layout != AV_CH_LAYOUT_MONO)
4624 for (j = 0; j < s->nb_streams; j++) {
4625 AVStream *stj= s->streams[j];
4626 MOVTrack *trackj= &mov->tracks[j];
4630 if (stj->codec->codec_type != AVMEDIA_TYPE_AUDIO ||
4631 trackj->enc->channel_layout != AV_CH_LAYOUT_MONO ||
4632 trackj->language != track->language ||
4633 trackj->tag != track->tag
4636 track->multichannel_as_mono++;
4643 if (mov->reserved_moov_size){
4644 mov->reserved_moov_pos= avio_tell(pb);
4645 if (mov->reserved_moov_size > 0)
4646 avio_skip(pb, mov->reserved_moov_size);
4649 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
4650 /* If no fragmentation options have been set, set a default. */
4651 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
4652 FF_MOV_FLAG_FRAG_CUSTOM)) &&
4653 !mov->max_fragment_duration && !mov->max_fragment_size)
4654 mov->flags |= FF_MOV_FLAG_FRAG_KEYFRAME;
4656 if (mov->flags & FF_MOV_FLAG_FASTSTART)
4657 mov->reserved_moov_pos = avio_tell(pb);
4658 mov_write_mdat_tag(pb, mov);
4661 if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
4662 mov->time = ff_iso8601_to_unix_time(t->value);
4664 mov->time += 0x7C25B080; // 1970 based -> 1904 based
4666 if (mov->chapter_track)
4667 if ((ret = mov_create_chapter_track(s, mov->chapter_track)) < 0)
4670 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
4671 /* Initialize the hint tracks for each audio and video stream */
4672 for (i = 0; i < s->nb_streams; i++) {
4673 AVStream *st = s->streams[i];
4674 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
4675 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
4676 if ((ret = ff_mov_init_hinting(s, hint_track, i)) < 0)
4683 if (mov->nb_meta_tmcd) {
4684 /* Initialize the tmcd tracks */
4685 for (i = 0; i < s->nb_streams; i++) {
4686 AVStream *st = s->streams[i];
4689 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
4691 t = av_dict_get(st->metadata, "timecode", NULL, 0);
4694 if ((ret = mov_create_timecode_track(s, tmcd_track, i, t->value)) < 0)
4703 if (mov->flags & FF_MOV_FLAG_ISML)
4704 mov_write_isml_manifest(pb, mov);
4706 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
4707 mov_write_moov_tag(pb, mov, s);
4717 static int get_moov_size(AVFormatContext *s)
4720 AVIOContext *moov_buf;
4721 MOVMuxContext *mov = s->priv_data;
4723 if ((ret = ffio_open_null_buf(&moov_buf)) < 0)
4725 mov_write_moov_tag(moov_buf, mov, s);
4726 return ffio_close_null_buf(moov_buf);
4730 * This function gets the moov size if moved to the top of the file: the chunk
4731 * offset table can switch between stco (32-bit entries) to co64 (64-bit
4732 * entries) when the moov is moved to the beginning, so the size of the moov
4733 * would change. It also updates the chunk offset tables.
4735 static int compute_moov_size(AVFormatContext *s)
4737 int i, moov_size, moov_size2;
4738 MOVMuxContext *mov = s->priv_data;
4740 moov_size = get_moov_size(s);
4744 for (i = 0; i < mov->nb_streams; i++)
4745 mov->tracks[i].data_offset += moov_size;
4747 moov_size2 = get_moov_size(s);
4751 /* if the size changed, we just switched from stco to co64 and need to
4752 * update the offsets */
4753 if (moov_size2 != moov_size)
4754 for (i = 0; i < mov->nb_streams; i++)
4755 mov->tracks[i].data_offset += moov_size2 - moov_size;
4760 static int shift_data(AVFormatContext *s)
4762 int ret = 0, moov_size;
4763 MOVMuxContext *mov = s->priv_data;
4764 int64_t pos, pos_end = avio_tell(s->pb);
4765 uint8_t *buf, *read_buf[2];
4766 int read_buf_id = 0;
4768 AVIOContext *read_pb;
4770 moov_size = compute_moov_size(s);
4774 buf = av_malloc(moov_size * 2);
4776 return AVERROR(ENOMEM);
4778 read_buf[1] = buf + moov_size;
4780 /* Shift the data: the AVIO context of the output can only be used for
4781 * writing, so we re-open the same output, but for reading. It also avoids
4782 * a read/seek/write/seek back and forth. */
4784 ret = avio_open(&read_pb, s->filename, AVIO_FLAG_READ);
4786 av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for "
4787 "the second pass (faststart)\n", s->filename);
4791 /* mark the end of the shift to up to the last data we wrote, and get ready
4793 pos_end = avio_tell(s->pb);
4794 avio_seek(s->pb, mov->reserved_moov_pos + moov_size, SEEK_SET);
4796 /* start reading at where the new moov will be placed */
4797 avio_seek(read_pb, mov->reserved_moov_pos, SEEK_SET);
4798 pos = avio_tell(read_pb);
4800 #define READ_BLOCK do { \
4801 read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \
4805 /* shift data by chunk of at most moov_size */
4810 n = read_size[read_buf_id];
4813 avio_write(s->pb, read_buf[read_buf_id], n);
4815 } while (pos < pos_end);
4816 avio_close(read_pb);
4823 static int mov_write_trailer(AVFormatContext *s)
4825 MOVMuxContext *mov = s->priv_data;
4826 AVIOContext *pb = s->pb;
4832 * Before actually writing the trailer, make sure that there are no
4833 * dangling subtitles, that need a terminating sample.
4835 for (i = 0; i < mov->nb_streams; i++) {
4836 MOVTrack *trk = &mov->tracks[i];
4837 if (trk->enc->codec_id == AV_CODEC_ID_MOV_TEXT &&
4838 !trk->last_sample_is_subtitle_end) {
4839 mov_write_subtitle_end_packet(s, i, trk->track_duration);
4840 trk->last_sample_is_subtitle_end = 1;
4844 // If there were no chapters when the header was written, but there
4845 // are chapters now, write them in the trailer. This only works
4846 // when we are not doing fragments.
4847 if (!mov->chapter_track && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
4848 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters) {
4849 mov->chapter_track = mov->nb_streams++;
4850 if ((res = mov_create_chapter_track(s, mov->chapter_track)) < 0)
4855 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
4856 moov_pos = avio_tell(pb);
4858 /* Write size of mdat tag */
4859 if (mov->mdat_size + 8 <= UINT32_MAX) {
4860 avio_seek(pb, mov->mdat_pos, SEEK_SET);
4861 avio_wb32(pb, mov->mdat_size + 8);
4863 /* overwrite 'wide' placeholder atom */
4864 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
4865 /* special value: real atom size will be 64 bit value after
4868 ffio_wfourcc(pb, "mdat");
4869 avio_wb64(pb, mov->mdat_size + 16);
4871 avio_seek(pb, mov->reserved_moov_size > 0 ? mov->reserved_moov_pos : moov_pos, SEEK_SET);
4873 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
4874 av_log(s, AV_LOG_INFO, "Starting second pass: moving the moov atom to the beginning of the file\n");
4875 res = shift_data(s);
4877 avio_seek(pb, mov->reserved_moov_pos, SEEK_SET);
4878 mov_write_moov_tag(pb, mov, s);
4880 } else if (mov->reserved_moov_size > 0) {
4882 mov_write_moov_tag(pb, mov, s);
4883 size = mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_moov_pos);
4885 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
4888 avio_wb32(pb, size);
4889 ffio_wfourcc(pb, "free");
4890 ffio_fill(pb, 0, size - 8);
4891 avio_seek(pb, moov_pos, SEEK_SET);
4893 mov_write_moov_tag(pb, mov, s);
4896 mov_flush_fragment(s);
4897 mov_write_mfra_tag(pb, mov);
4900 for (i = 0; i < mov->nb_streams; i++) {
4901 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
4902 mov->tracks[i].vc1_info.struct_offset && s->pb->seekable) {
4903 int64_t off = avio_tell(pb);
4905 if (mov_write_dvc1_structs(&mov->tracks[i], buf) >= 0) {
4906 avio_seek(pb, mov->tracks[i].vc1_info.struct_offset, SEEK_SET);
4907 avio_write(pb, buf, 7);
4908 avio_seek(pb, off, SEEK_SET);
4919 #if CONFIG_MOV_MUXER
4921 AVOutputFormat ff_mov_muxer = {
4923 .long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
4924 .extensions = "mov",
4925 .priv_data_size = sizeof(MOVMuxContext),
4926 .audio_codec = AV_CODEC_ID_AAC,
4927 .video_codec = CONFIG_LIBX264_ENCODER ?
4928 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
4929 .write_header = mov_write_header,
4930 .write_packet = mov_write_packet,
4931 .write_trailer = mov_write_trailer,
4932 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4933 .codec_tag = (const AVCodecTag* const []){
4934 ff_codec_movvideo_tags, ff_codec_movaudio_tags, 0
4936 .priv_class = &mov_muxer_class,
4939 #if CONFIG_TGP_MUXER
4941 AVOutputFormat ff_tgp_muxer = {
4943 .long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"),
4944 .extensions = "3gp",
4945 .priv_data_size = sizeof(MOVMuxContext),
4946 .audio_codec = AV_CODEC_ID_AMR_NB,
4947 .video_codec = AV_CODEC_ID_H263,
4948 .write_header = mov_write_header,
4949 .write_packet = mov_write_packet,
4950 .write_trailer = mov_write_trailer,
4951 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4952 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
4953 .priv_class = &tgp_muxer_class,
4956 #if CONFIG_MP4_MUXER
4958 AVOutputFormat ff_mp4_muxer = {
4960 .long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"),
4961 .mime_type = "application/mp4",
4962 .extensions = "mp4",
4963 .priv_data_size = sizeof(MOVMuxContext),
4964 .audio_codec = AV_CODEC_ID_AAC,
4965 .video_codec = CONFIG_LIBX264_ENCODER ?
4966 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
4967 .write_header = mov_write_header,
4968 .write_packet = mov_write_packet,
4969 .write_trailer = mov_write_trailer,
4970 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4971 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
4972 .priv_class = &mp4_muxer_class,
4975 #if CONFIG_PSP_MUXER
4977 AVOutputFormat ff_psp_muxer = {
4979 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"),
4980 .extensions = "mp4,psp",
4981 .priv_data_size = sizeof(MOVMuxContext),
4982 .audio_codec = AV_CODEC_ID_AAC,
4983 .video_codec = CONFIG_LIBX264_ENCODER ?
4984 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
4985 .write_header = mov_write_header,
4986 .write_packet = mov_write_packet,
4987 .write_trailer = mov_write_trailer,
4988 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4989 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
4990 .priv_class = &psp_muxer_class,
4993 #if CONFIG_TG2_MUXER
4995 AVOutputFormat ff_tg2_muxer = {
4997 .long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"),
4998 .extensions = "3g2",
4999 .priv_data_size = sizeof(MOVMuxContext),
5000 .audio_codec = AV_CODEC_ID_AMR_NB,
5001 .video_codec = AV_CODEC_ID_H263,
5002 .write_header = mov_write_header,
5003 .write_packet = mov_write_packet,
5004 .write_trailer = mov_write_trailer,
5005 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
5006 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
5007 .priv_class = &tg2_muxer_class,
5010 #if CONFIG_IPOD_MUXER
5012 AVOutputFormat ff_ipod_muxer = {
5014 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"),
5015 .mime_type = "application/mp4",
5016 .extensions = "m4v,m4a",
5017 .priv_data_size = sizeof(MOVMuxContext),
5018 .audio_codec = AV_CODEC_ID_AAC,
5019 .video_codec = AV_CODEC_ID_H264,
5020 .write_header = mov_write_header,
5021 .write_packet = mov_write_packet,
5022 .write_trailer = mov_write_trailer,
5023 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
5024 .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
5025 .priv_class = &ipod_muxer_class,
5028 #if CONFIG_ISMV_MUXER
5030 AVOutputFormat ff_ismv_muxer = {
5032 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"),
5033 .mime_type = "application/mp4",
5034 .extensions = "ismv,isma",
5035 .priv_data_size = sizeof(MOVMuxContext),
5036 .audio_codec = AV_CODEC_ID_AAC,
5037 .video_codec = AV_CODEC_ID_H264,
5038 .write_header = mov_write_header,
5039 .write_packet = mov_write_packet,
5040 .write_trailer = mov_write_trailer,
5041 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
5042 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
5043 .priv_class = &ismv_muxer_class,
5046 #if CONFIG_F4V_MUXER
5048 AVOutputFormat ff_f4v_muxer = {
5050 .long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"),
5051 .mime_type = "application/f4v",
5052 .extensions = "f4v",
5053 .priv_data_size = sizeof(MOVMuxContext),
5054 .audio_codec = AV_CODEC_ID_AAC,
5055 .video_codec = AV_CODEC_ID_H264,
5056 .write_header = mov_write_header,
5057 .write_packet = mov_write_packet,
5058 .write_trailer = mov_write_trailer,
5059 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
5060 .codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 },
5061 .priv_class = &f4v_muxer_class,